Availability
Dual Spring 600 Series Retainer - Tool Steel Retainer for LS Dual Valve Springs PAC-1221 & 1521 Lock angle: L
Part Number: RSC-PAC-R616-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Dual Spring 600 Series Retainer - Tool Steel Pro Series Race for PAC-1341 Valve Spring (DLC Option). Lock ang
Part Number: RSC-PAC-R658-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Dual Spring 600 Series Retainer - Tool Steel Pro Drag Race for PAC-1326 Valve Spring (DLC Option). Lock angle
Part Number: RSC-PAC-R661-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Dual Spring 500 Series Retainer - Titanium Retainerfor PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD 10
Part Number: RSC-PAC-R514-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1244 Dual Valve Spring. Lock angle: STD 8 degree
Part Number: RSC-PAC-R551-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Dual Spring 600 Series Retainer - Tool Steel Retainer for all 1.050 ID Dual Valve Springs. Lock angle: mini
Part Number: RSC-PAC-R644-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Beehive 600 Series Retainer - Tool Steel retainer PAC- 1200 & 1201 Valve Spring. Lock angle: STD 8 degree
Part Number: RSC-PAC-R649-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025
Titanium Valve Locks - Standard 8 degree - Radius Groove - Standard Install Height
Part Number: RSC-PAC-L8056-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
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SPRING SHIM SET
Part Number: RSC-PAC-S195-100
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Dual Spring 600 Series Retainer - Tool Steel retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: STD
Part Number: RSC-PAC-R641-16
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
1.667 Triple Drag Race Spring - Pro Stock, Fuel
Part Number: RSC-PAC-1351
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
1.550 OD 2.200 1" Lift spring
Part Number: RSC-PAC-1355
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, Hot Rod Series, Single, 1.500 in. O.D., 376 lbs/in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: RSC-PAC-1900
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
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Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Dual Valve Spring Retainer. Features
Part Number: RSC-PAC-R524
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025
Valve Springs, Beehive, Single, 1.061 in. O.D., 191 lbs./in. Rate, 1.020 in. Coil Bind Height, Each
Part Number: RSC-PAC-1213
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Titanium Valve Locks - Standard 8 degree - Radius Groove - +0.050 Install Height
Part Number: RSC-PAC-L8058-16
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Spring, 1300 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1324
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Valve Spring Retainers, 300 Series, Steel, 0.800 in. O.D., Single, Tall, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R346-16
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
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Valve Spring, 1200 Series Circle Track, Dual, 1.260 in. Outside Diameter, 610 lb/in, 0.624 in. Inside Diameter, Each
Part Number: RSC-PAC-1203
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Spring, 1300 Series, Triple, 1.645 in. Outside Diameter, 682 lb/in., 0.635 in Inside Diameter, Each
Part Number: RSC-PAC-1347
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. Outside Diameter, 689 lb/in., 0.635 in Inside Diameter, Each
Part Number: RSC-PAC-1350
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
LOW LOAD PAC 1351 DRAG RACE
Part Number: RSC-PAC-1351L
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
VALVE SPRING ASSY DRAG RACE
Part Number: RSC-PAC-1351L-16
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
1.695 Triple Drag Race Spring-Pro Stock, Fuel
Part Number: RSC-PAC-1353
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Valve Springs, 1300 Series Drag Race, Dual, 1.500 in. O.D., 1,050 lbs./in. Rate, 1.230 in. Coil Bind Height, Each
Part Number: RSC-PAC-1354
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
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