Availability
Valve Spring Retainers, 400 Series, Titanium, 1.480 in. O.D., Tall, Triple, 10 degree, Set of 16
Part Number: RSC-PAC-R401-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1247
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Triple Spring 500 Series Retainer - Titanium Retainer for Triple Drag Race Springs. Lock angle: STD 8
Part Number: RSC-PAC-R502
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Dual Spring 400 Series Retainer - +0.050 Sportsman Drag Race/Circle Track Retainer. Lock angle: STD 10
Part Number: RSC-PAC-R405
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Valve Spring Shims, Hardened, 1.250 in. O.D., 0.570 in. I.D., .015 in./.020 in./.030 in./0.50 in. Thick, Set of 64
Part Number: RSC-PAC-KS93
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1900 Series Hot Rod, Dual, 1.459 in. O.D., 391 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1903-16
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1246-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Dual Spring 600 Series Retainer - Tool Steel Pro Drag Race for PAC-1376 Valve Spring (DLC Option). Lock angle
Part Number: RSC-PAC-R660
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 688 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1258-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
1.681" Triple Drag Race Spring - Pro Stock, Fuel
Part Number: RSC-PAC-1364
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Triple Spring 400 Series Retainer - +0.050 Sportman Triple Spring Drag Race Retainer. Lock angle: STD 8 degre
Part Number: RSC-PAC-R402
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Triple Spring 400 Series Retainer - +0.050 Sportman Triple Spring Drag Race Retainer. Lock angle: STD 8 degre
Part Number: RSC-PAC-R402-16
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Valve Spring, 1300 Series Drag Race, Triple, 1.667 in. Outside Diameter, 752 lb/in., 0.635 in Inside Diameter, Each
Part Number: RSC-PAC-1351H
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Pro Series Race for PAC-1341 Valve Spring (DLC Option). Lock ang
Part Number: RSC-PAC-R658
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Pro Drag Race for PAC-1326 Valve Spring (DLC Option). Lock angle
Part Number: RSC-PAC-R661
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 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: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Steel, 1.500 in. O.D., 0.570 in. I.D., 0.060 in. Thick, Set of 16
Part Number: RSC-PAC-S110-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.500 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each
Part Number: RSC-PAC-S134
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs
Part Number: RSC-PAC-L8027-16
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each
Part Number: RSC-PAC-S186
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Locator, Inside Locating Shoulder, Steel, 1.550 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16
Part Number: RSC-PAC-S103-16
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, 1900 Series Hot Rod, Single, 1.500 in. O.D., 376 lbs/in. Rate, 1.115 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1900-16
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, RPM Series, Beehive, Single, 1.290 in. O.D., 384 lbs/in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1211X-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Locators, Valve Spring Seats and Cups, Inside Locating Shoulder Type, Chromoly, 1.270 in. O.D., Set of 16
Part Number: RSC-PAC-S111-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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