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Valve Springs, Triple, 1.660 in. Outside Diameter, 1,045 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1248
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, 1200 Series Circle Track, Dual, 1.545 in. O.D., 428 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1294-16
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Valve Springs, 1400 Series, Single, 1.330 in. Outside Diameter, 526 lb/in., 0.930 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1422-16
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Beehive 500 Series Retainer - Titanium Retainer. Lock angle: STD 10 degree
Part Number: RSC-PAC-R510-16
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Valvetrain Upgrade, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit
Part Number: SME-K-14300
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
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Estimated Ship Date: Monday 12/8/2025
Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Dual Valve Spring Retainer. Features
Part Number: RSC-PAC-R524-16
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 8 degree, Set of 16
Part Number: RSC-PAC-R509-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6821G
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Valve Spring Retainers, 500 Series, Dual, Titanium, 1.475 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R504-16
Not Yet Reviewed
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Ford, 289, 302, 351W, Set of 16
Part Number: SUM-G6841G
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valve Springs, Triple, 1.660 in. Outside Diameter, 1,110 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1249
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
DRAG SPRINGS
Part Number: ISK-1247
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Valve Springs, 1200 Series, Dual, 1.570 in. O.D., 743 lbs./in. Rate, 1.035 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1244-16
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Spring, 1200 Series, Dual, 1.539 in. Outside Diameter, 0.731 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1227-16
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Set of 16
Part Number: RSC-PAC-R506-16
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Valve Spring, 1200 Series, Dual, 1.310 in. Outside Diameter, 520 lb/in., 0.665 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1236X-16
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Rocker Arms, Full Roller, 1.5/1.6 Ratio, Aluminum, Gold Anodized, 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: SUM-G6850G
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Rocker Arms, Gold Series, Full Roller, 1.5 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6810G
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Estimated Ship Date: Monday 12/8/2025
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle
Part Number: RSC-PAC-R538-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1225, 1325, 1243 & 1561 Dual Valve Springs. Lock
Part Number: RSC-PAC-R556-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Triple Spring 500 Series Retainer - Titanium Retainer for Large OD Retainer for Large Triple Spring, for bette
Part Number: RSC-PAC-R565-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Dual Spring 600 Series Retainer - Tool Steel retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree
Part Number: RSC-PAC-R655-16
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Valve Springs, RPM Series, Dual, 1.290 in. O.D., 409 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1206X-16
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, RPM Series, Dual, 1.304 in. O.D., 392 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1205X-16
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.175 in. Coil Bind Height, Set of 16
Part Number: ISK-9915
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
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