PAC RACING SPRINGS
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Valve Spring - 1200 Series Circle Track - Dual Spring - 540 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $265.00$249.10Valve Spring - 1200 Series Circle Track - Dual Spring - 540 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16PACPAC-1202-16MSRP: $265.00$249.10 -
Valve Spring - 1200 Series Circle Track - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $265.00$249.10Valve Spring - 1200 Series Circle Track - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16PACPAC-1201-16MSRP: $265.00$249.10 -
Valve Spring - 1200 Series Circle Track - Single Spring / Damper - 450 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $265.00$249.10Valve Spring - 1200 Series Circle Track - Single Spring / Damper - 450 lb/in Spring Rate - 1.100 in Coil Bind - 1.244 in OD - Set of 16PACPAC-1200-16MSRP: $265.00$249.10 -
Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in Less Height - Titanium - Natural - Set of 16
PAC RACING SPRINGS
MSRP: $215.00$202.10Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in Less Height - Titanium - Natural - Set of 16PACPAC-L8006-16MSRP: $215.00$202.10 -
Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in Less Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in Less Height - Steel - Black Oxide - Set of 16PACPAC-LR8025-16MSRP: $95.00$89.30 -
Valve Lock - 7 Degree - 7 mm Valve Stem - Standard Height - 3 Radius Groove - Steel - Natural - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 7 Degree - 7 mm Valve Stem - Standard Height - 3 Radius Groove - Steel - Natural - Set of 16PACPAC-L8086-16MSRP: $95.00$89.30 -
Valve Lock - 8 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 8 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8074-16MSRP: $95.00$89.30 -
Valve Lock - 8 Degree - 11/32 in Valve Stem - 0.050 in More Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 8 Degree - 11/32 in Valve Stem - 0.050 in More Height - Steel - Black Oxide - Set of 16PACPAC-L8037-16MSRP: $95.00$89.30 -
Valve Lock - 8 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 8 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8131-16MSRP: $95.00$89.30 -
Valve Lock - 7 Degree - 8 mm Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 7 Degree - 8 mm Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8113-16MSRP: $95.00$89.30 -
Valve Lock - 7 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 7 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8150-16MSRP: $95.00$89.30 -
Valve Lock - 7 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 7 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8154-16MSRP: $95.00$89.30 -
Valve Spring - RPM Series - Dual Spring - 600 lb/in Spring Rate - 0.985 in Coil Bind - 1.274 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $525.00$493.50Valve Spring - RPM Series - Dual Spring - 600 lb/in Spring Rate - 0.985 in Coil Bind - 1.274 in OD - GM LS-Series - Set of 16PACPAC-1238X-16MSRP: $525.00$493.50 -
Valve Spring - RPM Series - Dual Spring - 550 lb/in Spring Rate - 1.045 in Coil Bind - 1.274 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $525.00$493.50Valve Spring - RPM Series - Dual Spring - 550 lb/in Spring Rate - 1.045 in Coil Bind - 1.274 in OD - GM LS-Series - Set of 16PACPAC-1237X-16MSRP: $525.00$493.50 -
Valve Spring - RPM Series - Dual Spring - 425 lb/in Spring Rate - 1.055 in Coil Bind - 1.280 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 425 lb/in Spring Rate - 1.055 in Coil Bind - 1.280 in OD - GM LS-Series - Set of 16PACPAC-1222X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$378.00Valve Spring - RPM Series - Single Spring / Damper - 540 lb/in Spring Rate - 1.115 in Coil Bind - 1.260 in OD - Set of 16PACPAC-1201X-16MSRP: $420.00$378.00 -
Valve Spring - RPM Series - Dual Spring - 500 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 500 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16PACPAC-1209X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Dual Spring - 460 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 460 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16PACPAC-1208X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Dual Spring - 433 lb/in Spring Rate - 1.000 in Coil Bind - 1.304 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 433 lb/in Spring Rate - 1.000 in Coil Bind - 1.304 in OD - GM LS-Series - Set of 16PACPAC-1207X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Dual Spring - 409 lb/in Spring Rate - 1.000 in Coil Bind - 1.290 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 409 lb/in Spring Rate - 1.000 in Coil Bind - 1.290 in OD - GM LS-Series - Set of 16PACPAC-1206X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Dual Spring - 392 lb/in Spring Rate - 1.000 in Coil Bind - 1.304 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 392 lb/in Spring Rate - 1.000 in Coil Bind - 1.304 in OD - GM LS-Series - Set of 16PACPAC-1205X-16MSRP: $420.00$394.80 -
Valve Spring - RPM Series - Dual Spring - 369 lb/in Spring Rate - 1.000 in Coil Bind - 1.290 in OD - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $420.00$394.80Valve Spring - RPM Series - Dual Spring - 369 lb/in Spring Rate - 1.000 in Coil Bind - 1.290 in OD - GM LS-Series - Set of 16PACPAC-1204X-16MSRP: $420.00$394.80 -
Valve Spring Retainer - 500 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Titanium - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $306.80$291.46Valve Spring Retainer - 500 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Titanium - GM LS-Series - Set of 16PACPAC-R511-16MSRP: $306.80$291.46 -
Valve Spring Retainer - 400 Series - 0.795 in / 0.517 in OD Steps - Single Spring - Titanium - Ford Modular - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 0.795 in / 0.517 in OD Steps - Single Spring - Titanium - Ford Modular - Set of 16PACPAC-R464-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 7 Degree - 0.920 in / 0.650 in OD Steps - Dual Spring - Titanium - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 7 Degree - 0.920 in / 0.650 in OD Steps - Dual Spring - Titanium - GM LS-Series - Set of 16PACPAC-R455-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 10 Degree - 1.125 in / 0.800 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 10 Degree - 1.125 in / 0.800 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R436-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - Mini 8 Degree - 0.890 in / 0.600 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - Mini 8 Degree - 0.890 in / 0.600 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R432-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 10 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 10 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R408-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 10 Degree - 1.090 in / 0.780 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 10 Degree - 1.090 in / 0.780 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R405-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 10 Degree - 1.165 in / 0.840 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 10 Degree - 1.165 in / 0.840 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R404-16MSRP: $310.00$291.40 -
Valve Spring Retainer - 400 Series - 10 Degree - 1.185 in / 0.865 in / 0.635 in OD Steps - Triple Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $310.00$291.40Valve Spring Retainer - 400 Series - 10 Degree - 1.185 in / 0.865 in / 0.635 in OD Steps - Triple Spring - Titanium - Set of 16PACPAC-R401-16MSRP: $310.00$291.40 -
Valve Spring - Hot Rod Series - Dual Spring / Damper - 431 lb/in Spring Rate - 1.125 in Coil Bind - 1.540 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $275.00$258.50Valve Spring - Hot Rod Series - Dual Spring / Damper - 431 lb/in Spring Rate - 1.125 in Coil Bind - 1.540 in OD - Set of 16PACPAC-1924-16MSRP: $275.00$258.50 -
Valve Spring - Hot Rod Series - Dual Spring / Damper - 492 lb/in Spring Rate - 1.130 in Coil Bind - 1.540 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $275.00$258.50Valve Spring - Hot Rod Series - Dual Spring / Damper - 492 lb/in Spring Rate - 1.130 in Coil Bind - 1.540 in OD - Set of 16PACPAC-1901-16MSRP: $275.00$258.50 -
Valve Spring - RPM Series - Single Spring - 380 lb/in Spring Rate - 1.180 in Coil Bind - 1.355 in OD - Small Block Chevy - Set of 16
PAC RACING SPRINGS
MSRP: $235.00$220.90Valve Spring - RPM Series - Single Spring - 380 lb/in Spring Rate - 1.180 in Coil Bind - 1.355 in OD - Small Block Chevy - Set of 16PACPAC-1212X-16MSRP: $235.00$220.90 -
Valve Spring - RPM Series - Single Spring - 290 lb/in Spring Rate - 1.150 in Coil Bind - 1.245 in OD - Small Block Chevy - Set of 16
PAC RACING SPRINGS
MSRP: $235.00$220.90Valve Spring - RPM Series - Single Spring - 290 lb/in Spring Rate - 1.150 in Coil Bind - 1.245 in OD - Small Block Chevy - Set of 16PACPAC-1210X-16MSRP: $235.00$220.90 -
Valve Spring Height Gauge - 1.400-1.900 in Range - 1.200 in ID - 0.050 in Per Turn - Orange Anodized - Each
PAC RACING SPRINGS
MSRP: $176.80$166.19Valve Spring Height Gauge - 1.400-1.900 in Range - 1.200 in ID - 0.050 in Per Turn - Orange Anodized - EachPACPAC-T903MSRP: $176.80$166.19 -
Valve Spring Height Gauge - 1.800-2.600 in Range - 0.001 in Scale - Red Anodized - Each
PAC RACING SPRINGS
MSRP: $176.80$166.19Valve Spring Height Gauge - 1.800-2.600 in Range - 0.001 in Scale - Red Anodized - EachPACPAC-T902MSRP: $176.80$166.19 -
Valve Spring Height Gauge - 1.400-2.000 in Range - 0.001 in Scale - Blue Anodized - Beehive Springs - Each
PAC RACING SPRINGS
MSRP: $176.80$166.19Valve Spring Height Gauge - 1.400-2.000 in Range - 0.001 in Scale - Blue Anodized - Beehive Springs - EachPACPAC-T901MSRP: $176.80$166.19 -
Valve Spring - Hot Rod Series - Dual Spring - 417 lb/in Spring Rate - 0.910 in Coil Bind - 1.465 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $185.00$173.90Valve Spring - Hot Rod Series - Dual Spring - 417 lb/in Spring Rate - 0.910 in Coil Bind - 1.465 in OD - Set of 16PACPAC-1908-16MSRP: $185.00$173.90 -
Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.500 in OD - 0.570 in ID - Steel - Kit
PAC RACING SPRINGS
MSRP: $160.00$150.40Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.500 in OD - 0.570 in ID - Steel - KitPACPAC-KS94MSRP: $160.00$150.40 -
Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.250 in OD - 0.570 in ID - Steel - Kit
PAC RACING SPRINGS
MSRP: $155.00$145.70Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.250 in OD - 0.570 in ID - Steel - KitPACPAC-KS93MSRP: $155.00$145.70 -
Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.500 in OD - 0.645 in ID - Steel - Kit
PAC RACING SPRINGS
MSRP: $160.00$150.40Valve Spring Shim - 0.015 / 0.020 / 0.030 / 0.050 in Thick - 1.500 in OD - 0.645 in ID - Steel - KitPACPAC-KS92MSRP: $160.00$150.40 -
Calibration Spring - Data Sheet Included - PAC Valve Spring Testers - Kit
PAC RACING SPRINGS
MSRP: $120.00$112.80Calibration Spring - Data Sheet Included - PAC Valve Spring Testers - KitPACPAC-T900MSRP: $120.00$112.80 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.795 in OD Step - Beehive Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.795 in OD Step - Beehive Spring - Chromoly - Set of 16PACPAC-R364-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.920 in / 0.650 in OD Steps - 1.280 in Dual Spring - Chromoly - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.920 in / 0.650 in OD Steps - 1.280 in Dual Spring - Chromoly - GM LS-Series - Set of 16PACPAC-R355-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 8 Degree - 0.775 in OD Step - Single Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 8 Degree - 0.775 in OD Step - Single Spring - Chromoly - Set of 16PACPAC-R349-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.940 in / 0.680 in OD Steps - Dual Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.940 in / 0.680 in OD Steps - Dual Spring - Chromoly - Set of 16PACPAC-R335-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.850 in / 0.600 in OD Steps - Dual Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.850 in / 0.600 in OD Steps - Dual Spring - Chromoly - Set of 16PACPAC-R334-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - Set of 16PACPAC-R363-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 10 Degree - 0.990 in / 0.700 in OD Steps - 1.374 in Dual Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 10 Degree - 0.990 in / 0.700 in OD Steps - 1.374 in Dual Spring - Chromoly - Set of 16PACPAC-R317-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.880 in / 0.640 in OD Steps - 1.235 in OD Dual Spring - Chromoly - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.880 in / 0.640 in OD Steps - 1.235 in OD Dual Spring - Chromoly - GM LS-Series - Set of 16PACPAC-R316-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 10 Degree - 1.110 in / 0.710 in OD Steps - Dual Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 10 Degree - 1.110 in / 0.710 in OD Steps - Dual Spring - Chromoly - Set of 16PACPAC-R315-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 10 Degree - 0.721 in OD Step - Beehive Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 10 Degree - 0.721 in OD Step - Beehive Spring - Chromoly - Set of 16PACPAC-R313-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.570 in OD Step - Beehive Spring - Chromoly - Ford Modular - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.570 in OD Step - Beehive Spring - Chromoly - Ford Modular - Set of 16PACPAC-R312-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - GM LS-Series - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 7 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - GM LS-Series - Set of 16PACPAC-R311-16MSRP: $92.00$86.48 -
Valve Spring Retainer - 300 Series - 10 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - Set of 16
PAC RACING SPRINGS
MSRP: $92.00$86.48Valve Spring Retainer - 300 Series - 10 Degree - 0.640 in OD Step - Beehive Spring - Chromoly - Set of 16PACPAC-R310-16MSRP: $92.00$86.48 -
Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Titanium - Natural - Set of 16
PAC RACING SPRINGS
MSRP: $215.00$202.10Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Titanium - Natural - Set of 16PACPAC-L8008-16MSRP: $215.00$202.10 -
Valve Lock - 10 Degree - 5/16 in Valve Stem - Standard Height - Titanium - Natural - Set of 16
PAC RACING SPRINGS
MSRP: $215.00$202.10Valve Lock - 10 Degree - 5/16 in Valve Stem - Standard Height - Titanium - Natural - Set of 16PACPAC-L8048-16MSRP: $215.00$202.10 -
Valve Spring Shim - 0.050 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $50.92$47.86Valve Spring Shim - 0.050 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S184-16MSRP: $50.92$47.86 -
Valve Spring Shim - 0.030 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $45.60$42.86Valve Spring Shim - 0.030 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S185-16MSRP: $45.60$42.86 -
Valve Spring - RPM Series - Dual Spring - 600 lb/in Spring Rate - 0.985 in Coil Bind - 1.274 in OD - GM LS-Series - Each
PAC RACING SPRINGS
MSRP: $36.09$33.92Valve Spring - RPM Series - Dual Spring - 600 lb/in Spring Rate - 0.985 in Coil Bind - 1.274 in OD - GM LS-Series - EachPACPAC-1238XMSRP: $36.09$33.92 -
Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.645 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.645 in ID - Steel - Set of 16PACPAC-S195-16MSRP: $34.20$32.15 -
Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.645 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.645 in ID - Steel - Set of 16PACPAC-S194-16MSRP: $34.20$32.15 -
Valve Spring Shim - 0.015 in Thick - 1.250 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.015 in Thick - 1.250 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S191-16MSRP: $34.20$32.15 -
Valve Spring Shim - 0.020 in Thick - 1.250 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.020 in Thick - 1.250 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S190-16MSRP: $34.20$32.15 -
Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S187-16MSRP: $34.20$32.15 -
Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $34.20$32.15Valve Spring Shim - 0.020 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16PACPAC-S186-16MSRP: $34.20$32.15 -
Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in More Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 11/32 in Valve Stem - 0.050 in More Height - Steel - Black Oxide - Set of 16PACPAC-L8026-16MSRP: $95.00$89.30 -
Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-LR8028-16MSRP: $95.00$89.30 -
Valve Lock - 10 Degree - 5/16 in Valve Stem - 0.050 in Less Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 5/16 in Valve Stem - 0.050 in Less Height - Steel - Black Oxide - Set of 16PACPAC-LR8065-16MSRP: $95.00$89.30 -
Valve Lock - 10 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 5/16 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-LR8067-16MSRP: $95.00$89.30 -
Valve Lock - 10 Degree - 3/8 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16
PAC RACING SPRINGS
MSRP: $95.00$89.30Valve Lock - 10 Degree - 3/8 in Valve Stem - Standard Height - Steel - Black Oxide - Set of 16PACPAC-L8092-16MSRP: $95.00$89.30 -
Throttle Return Spring - 5 in Free Length - Medium Tension - Steel - Natural - Each
PAC RACING SPRINGS
MSRP: $6.00$5.64Throttle Return Spring - 5 in Free Length - Medium Tension - Steel - Natural - EachPACPAC-3008MSRP: $6.00$5.64 -
Throttle Return Spring - 3-3/4 in Free Length - Medium Tension - Steel - Natural - Each
PAC RACING SPRINGS
MSRP: $6.00$5.64Throttle Return Spring - 3-3/4 in Free Length - Medium Tension - Steel - Natural - EachPACPAC-3005MSRP: $6.00$5.64 -
Throttle Return Spring - 2-1/2 in Free Length - Heavy Tension - Steel - Natural - Each
PAC RACING SPRINGS
MSRP: $6.00$5.64Throttle Return Spring - 2-1/2 in Free Length - Heavy Tension - Steel - Natural - EachPACPAC-3003MSRP: $6.00$5.64 -
Valve Spring Retainer - 600 Series - 8 Degree - 0.775 in OD Step - 1.200 in Dual Spring - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $430.00$404.20Valve Spring Retainer - 600 Series - 8 Degree - 0.775 in OD Step - 1.200 in Dual Spring - Steel - Set of 16PACPAC-R649-16MSRP: $430.00$404.20 -
Valve Spring Retainer - 600 Series - 8 Degree - 0.880 in / 0.615 in OD Steps - 1.314 in Dual Spring - Steel - Set of 16
PAC RACING SPRINGS
MSRP: $430.00$404.20Valve Spring Retainer - 600 Series - 8 Degree - 0.880 in / 0.615 in OD Steps - 1.314 in Dual Spring - Steel - Set of 16PACPAC-R658-16MSRP: $430.00$404.20 -
Valve Spring Kit - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.304 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - Kit
PAC RACING SPRINGS
MSRP: $500.00$470.00Valve Spring Kit - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.304 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - KitPACPAC-KS16MSRP: $500.00$470.00 -
Valve Spring Kit - Dual Spring - 370 lb/in Spring Rate - 1.010 in Coil Bind - 1.290 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - Kit
PAC RACING SPRINGS
MSRP: $500.00$470.00Valve Spring Kit - Dual Spring - 370 lb/in Spring Rate - 1.010 in Coil Bind - 1.290 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - KitPACPAC-KS15MSRP: $500.00$470.00 -
Valve Spring Kit - Beehive Spring - 313 lb/in Spring Rate - 1.140 in Coil Bind - 1.290 in OD - Locks / Chromoly Retainer / Viton Seal / Seat - GM LS-Series - Kit
PAC RACING SPRINGS
MSRP: $545.00$512.30Valve Spring Kit - Beehive Spring - 313 lb/in Spring Rate - 1.140 in Coil Bind - 1.290 in OD - Locks / Chromoly Retainer / Viton Seal / Seat - GM LS-Series - KitPACPAC-KS14MSRP: $545.00$512.30 -
Valve Spring - Hot Rod Series - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.034 in OD - Chromoly Retainers / Locks / Viton Seals / Seat - Kit
PAC RACING SPRINGS
MSRP: $500.00$470.00Valve Spring - Hot Rod Series - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.034 in OD - Chromoly Retainers / Locks / Viton Seals / Seat - KitPACPAC-KS12MSRP: $500.00$470.00 -
Valve Spring Retainer - 600 Series - 8 Degree - 0.940 in / 0.685 in OD Steps - 1.250 in Dual Spring - Steel - Natural - Set of 16
PAC RACING SPRINGS
MSRP: $430.00$404.20Valve Spring Retainer - 600 Series - 8 Degree - 0.940 in / 0.685 in OD Steps - 1.250 in Dual Spring - Steel - Natural - Set of 16PACPAC-R650-16MSRP: $430.00$404.20 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.215 in / 0.865 in / 0.630 in OD Steps - 1.620 in Triple Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.215 in / 0.865 in / 0.630 in OD Steps - 1.620 in Triple Spring - Titanium - Set of 16PACPAC-R565-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.140 in / 0.815 in OD Steps - 1.475 in Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.140 in / 0.815 in OD Steps - 1.475 in Dual Spring - Titanium - Set of 16PACPAC-R538-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.180 in / 0.865 in / 0.635 in OD Steps - 1.480 in Triple Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.180 in / 0.865 in / 0.635 in OD Steps - 1.480 in Triple Spring - Titanium - Set of 16PACPAC-R522-16MSRP: $550.00$519.97 -
Valve Spring - 1300 Series Drag Race - Dual Spring - 740 lb/in Spring Rate - 0.973 in Coil Bind - 1.300 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $630.00$592.20Valve Spring - 1300 Series Drag Race - Dual Spring - 740 lb/in Spring Rate - 0.973 in Coil Bind - 1.300 in OD - Set of 16PACPAC-1334-16MSRP: $630.00$592.20 -
Valve Spring - 1300 Series Drag Race - Dual Spring - 673 lb/in Spring Rate - 0.971 in Coil Bind - 1.274 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $630.00$592.20Valve Spring - 1300 Series Drag Race - Dual Spring - 673 lb/in Spring Rate - 0.971 in Coil Bind - 1.274 in OD - Set of 16PACPAC-1333-16MSRP: $630.00$592.20 -
Valve Spring - 1300 Series Drag Race - Triple Spring - 840 lb/in Spring Rate - 1.115 in Coil Bind - 1.681 in OD - Set of 16
PAC RACING SPRINGS
MSRP: $665.00$625.10Valve Spring - 1300 Series Drag Race - Triple Spring - 840 lb/in Spring Rate - 1.115 in Coil Bind - 1.681 in OD - Set of 16PACPAC-1364L-16MSRP: $665.00$625.10 -
Valve Spring Retainer - 500 Series - 8 Degree - 1.070 in / 0.750 in OD Steps - 1.440 in OD Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 8 Degree - 1.070 in / 0.750 in OD Steps - 1.440 in OD Dual Spring - Titanium - Set of 16PACPAC-R553-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 8 Degree - 1.090 in / 0.695 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 8 Degree - 1.090 in / 0.695 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R541-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 8 Degree - 1.080 in / 0.770 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 8 Degree - 1.080 in / 0.770 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R540-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.125 in / 0.800 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.125 in / 0.800 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R536-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - Mini 8 Degree - 0.890 in / 0.600 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - Mini 8 Degree - 0.890 in / 0.600 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R532-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.110 in / 0.710 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.110 in / 0.710 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R515-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.140 in / 0.735 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.140 in / 0.735 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R514-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 8 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 8 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R509-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R508-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.090 in / 0.695 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.090 in / 0.695 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R506-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.090 in / 0.780 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.090 in / 0.780 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R505-16MSRP: $550.00$519.97 -
Valve Spring Retainer - 500 Series - 10 Degree - 1.165 in / 0.840 in OD Steps - Dual Spring - Titanium - Set of 16
PAC RACING SPRINGS
MSRP: $550.00$519.97Valve Spring Retainer - 500 Series - 10 Degree - 1.165 in / 0.840 in OD Steps - Dual Spring - Titanium - Set of 16PACPAC-R504-16MSRP: $550.00$519.97