Engines & Engine Parts

Dual Spring 400 Series Retainer - +0.050 Sportsman Drag Race/Circle Track Retainer. Lock angle: STD 10

Part Number: RSC-PAC-R405

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Valve Springs, Dual, 1.437 in. Outside Diameter, 391 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16

Part Number: MAN-22407-16

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Valve Spring SET, SINGLE SPRING W/ DAMPER, 1.486 OD, 1.850 IH, .650 LIFT, 410 LBS/IN, HR

Part Number: CCA-26911-16

5.0 out of 5 stars ( 1 )

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Valve Spring Retainers, Steel, Stock, Each

Part Number: NAL-10166344

5.0 out of 5 stars ( 1 )

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Valve Spring Shims, Steel, Hardened, 1.437 in. Outside Diameter, .015 in./.030 in./.060 in. Thick, Set of 48

Part Number: CCA-4754

4.72 out of 5 stars ( 18 )

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Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: MAN-221425-16

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Valve Springs, Sure Seat, Dual, 1.540 in. Outside Diameter, 1.900 Installed Height, Non-Rotator, Set of 16

Part Number: EDL-5823

3.0 out of 5 stars ( 2 )

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Valve Springs, Single, 1.460 in. Outside Diameter, 328 lbs./in. Rate, 1.195 in. Coil Bind Height, Set of 16

Part Number: CCA-972-16

4.1 out of 5 stars ( 10 )

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Valve Springs, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Set of 16

Part Number: CCA-26943-16

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Valve Springs, Single, 1.265 in. Outside Diameter, 380 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: HRS-98213

5.0 out of 5 stars ( 1 )

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Valve Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16

Part Number: TFS-16896-16

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Valve Spring, Dual, 1.470 in. Outside Diameter, 399 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16

Part Number: HRS-98445

5.0 out of 5 stars ( 1 )

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Valve Spring Locator, Inside Locating Shoulder, Steel, 0.060 in. Thick, 1.550 in. O.D., 0.570 in. I.D., 0.690 in. Spring I.D., Set of 16

Part Number: CCA-4771-16

5.0 out of 5 stars ( 2 )

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Dual Spring 600 Series Retainer - Tool Steel retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R655

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Dual Spring 600 Series Retainer - Tool Steel Pro Drag Race for PAC-1326 Valve Spring (DLC Option). Lock angle

Part Number: RSC-PAC-R661

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Dual Spring 500 Series Retainer - Titanium Retainer for LS Dual Valve Springs PAC-1221 & 1521. Lock angle: L

Part Number: RSC-PAC-R516-16

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Dual Spring 500 Series Retainer - Titanium Retainer for RPM Sereis Dual Valve Springs. Lock angle: mini 8 de

Part Number: RSC-PAC-R550

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Dual Spring 600 Series Retainer - Tool Steel Retainer for LS Dual Valve Springs PAC-1221 & 1521 Lock angle: L

Part Number: RSC-PAC-R616

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Dual Spring 300 Series Retainer - Retainer for PAC-1222X LS Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R355

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Valve Spring Retainers, 300 Series, Chromoly Steel, 1.015 in. O.D., Single, Beehive, 7 degree, Mini, Each

Part Number: RSC-PAC-R375

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Valve Springs, Hot Rod Series, Dual, 1.545 in. O.D., 507 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1918

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Valve Springs, 1300 Series Circle Track, Dual, 1.564 in. O.D., 525 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1385-16

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Valve Spring, RPM Series, Beehive, Single, 1.589 in. O.D., 313 lbs/in. Rate, 1.180 in. Coil Bind Height, Each

Part Number: RSC-PAC-1295X

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Dual Spring 600 Series Retainer - Tool Steel Pro Series Race for PAC-1341 Valve Spring (DLC Option). Lock ang

Part Number: RSC-PAC-R658

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Valve Spring, 1200 Series Circle Track, Single, 1.244 in. O.D., 450 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: RSC-PAC-1200

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Estimated Ship Date: Dec 4, 2025 if ordered today

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