Engines & Components | Summit Racing

PAC Racing 500 Series Valve Spring Retainers PAC-R504

Dual Spring 500 Series Retainer - Titanium Retainer for 1.175 Series Dual Springs. Lock angle: STD 10

Part Number: RSC-PAC-R504

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

Summit Racing™ Valve Springs SUM-174012DP-1

LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X.

Part Number: SUM-174012DP-1

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COMP Cams Steel Valve Spring Retainers 1787-1

COMP Cams Steel Valve Spring Retainers 1787-1

Valve Spring Retainer, Standard, 7 Degree, Tool Steel, 0.343 in. Valve Stem Diameter, 1.055 in. Spring Outer Diameter, Each

Part Number: CCA-1787-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R536

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1245 & 1289 Dual Valve Springs. Lock angle: STD 1

Part Number: RSC-PAC-R536

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

AFR Replacement Valve Springs 8014-1

Valve Spring, Solid Roller PAC Triple Spring, 1.645 O.D., PAC. #1258, Each

Part Number: AFR-8014-1

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

COMP Cams Tool Steel Valve Spring Retainers 1774-1

Valve Spring Retainers, Conical, Single, Tool Steel, 7 degree, 1.290 in. Outer Spring O.D., 8.00mm Stem Diameter, Each

Part Number: CCA-1774-1

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Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R514

Dual Spring 500 Series Retainer - Titanium Retainerfor PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD 10

Part Number: RSC-PAC-R514

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R541

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: STD

Part Number: RSC-PAC-R541

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

COMP Cams Titanium Valve Spring Retainers 736-1

Valve Spring Retainer, Titanium, 10 Degree, 1.550 in. Outside Diameter, .635 in. Inside Diameter, Each

Part Number: CCA-736-1

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Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Engine Works Valve Spring Retainers 501-16

Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.240 in. Outside Diameter, .660 in. Inside Diameter, +.050 in. Installed Height, Set of 16

Part Number: EW1-501-16

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COMP Cams Valve Spring Locators 528-KIT

Valve Spring Locators, Spring Seat and Seal Kit for Chevy LS Series 5.3L and 6.0L, Kit

Part Number: CCA-528-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Howards Cams Pro-Alloy Mechanical Roller Valve Springs 98738-1A

Valve Spring, Dual, 1.625 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Each

Part Number: HRS-98738-1A

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Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

BTR Valve Spring Locators SLH815140CON-16

Valve Spring Locators, Inside, Steel, 1.300 in. O.D., Set of 16

Part Number: BTC-S0383

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Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Howards Cams Pacaloy Mechanical Roller Valve Springs 98223-1

Valve Spring, Pacaloy Mechanical Roller, Dual, 1.260 in. O.D., 0.624 in. I.D., 610 lbs/in., 0.550 in. Maximum Lift, 1.115 in. Coil Bind, Each

Part Number: HRS-98223-1

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Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

COMP Cams Valve Spring Locators 4801-8

Valve Spring Locators, Outside, Steel, 0.525 in. I.D., Conical, Dodge, 5.7L/6.1L Hemi, Set of 8

Part Number: CCA-4801-8

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Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

COMP Cams Valve Springs 974-12

Valve Spring; Single Inner; Valve Springs; .937 Inner Spring; 12 pc.

Part Number: CCA-974-12

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R532

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mini

Part Number: RSC-PAC-R532

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Estimated Ship Date: Today

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PAC Racing 500 Series Valve Spring Retainers PAC-R519

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD

Part Number: RSC-PAC-R519

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Dove Valve Spring Locators 82607

Valve Spring Locator, Outside Locating Shoulder, Steel, 0.312 in. Thick, 1.740 in. O.D., 0.760 in. I.D., 1.650 in. Spring O.D., Set of 16

Part Number: DVM-82607

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Manley NexTek Valve Springs 221448-1

Valve Spring, Triple, 1.677 in. Outside Diameter, 733 lbs./in. Rate, 1.142 in. Coil Bind Height, Each

Part Number: MAN-221448-1

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Dura-Bond Valve Spring Booster Shims 6052

Valve Spring Shims, Steel, 1.247 in. Outside Diameter, .060 in. Thick, Set of 100

Part Number: DUR-6052

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PAC Racing 600 Series Valve Spring Retainers PAC-R661

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: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R650

Dual Spring 600 Series Retainer - Tool Steel Retainer for RPM Series Dual Valve Springs. Lock angle: mini 8

Part Number: RSC-PAC-R650

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

PAC Racing 1300 Series Drag Race Valve Springs PAC-1324

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

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AFR Replacement Valve Springs 8031-16

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Manley Valve Spring Shims 03236-50

Valve Spring Shims, Hardened, 0.703 in. I.D., 1.480 in. O.D., 0.060 in. Thick, Set of 50

Part Number: MAN-03236-50

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

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