Availability
Valve Springs, 1300 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1326-16
Not Yet Reviewed
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Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R311-16
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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Valve Spring, 1200 Series Circle Track, Single, 1.260 in. O.D., 450 bs./in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: RSC-PAC-1201
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Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Valve Spring, 1300 Series Drag Race, Dual, 1.500 in. Outside Diameter, 780 lb/in., 0.726 in Inside Diameter, Each
Part Number: RSC-PAC-1356
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Estimated Ship Date: Today
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R505-16
Not Yet Reviewed
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R505
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. Outside Diameter, 540 lb/in., 0.720 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1239-16
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
VALVE SPRING
Part Number: RSC-PAC-1276X
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Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Valve Spring Retainers, 300 Series, Steel, 0.865 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R312-16
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S119-16
Not Yet Reviewed
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Valve Springs, 1200 Series Circle Track, Single, 1.260 in. O.D., 540 lbs./in. Rate, 1.115 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1201X-16
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Each
Part Number: RSC-PAC-R506
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 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: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
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: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 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: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025
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: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Springs, Hot Rod Series, Dual, 1.538 in. O.D., 436 lbs./in. Rate, 1.090 in. Coil Bind Height, Each
Part Number: RSC-PAC-1916
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025
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: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R508
Not Yet Reviewed
Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1427 Valve Spring. Lock angle: mi
Part Number: RSC-PAC-R643-16
Not Yet Reviewed
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025
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: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Dual Spring 400 Series Retainer - +0.050 Sportman Retainer for all 1.050 ID Dual Drag Springs. Lock angle: ST
Part Number: RSC-PAC-R408-16
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025
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
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Each
Part Number: RSC-PAC-1238X
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring Retainers, 300 Series, Steel, 0.800 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R331-16
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 8, 2025
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