Engines & Engine Parts at Summit Racing

Howards Cams Pacaloy Mechanical Roller Valve Springs 98844-1

Valve Spring, Dual, 1.570 OD

Part Number: HRS-98844-1

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Manley Titanium Valve Spring Retainers 23630-16

Valve Spring Retainers, Titanium, 10 Degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Set of 16

Part Number: MAN-23630-16

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

Melling Valve Springs 466734

Valve Springs, Dual Spring, 1.460 n Diameter, 370 Lbs/in. Spring Rate, 1.811 in Installed Height, Chevy, Each

Part Number: MEL-466734

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

COMP Cams Valve Spring Shims 4751-100

COMP Cams Valve Spring Shims 4751-100

Valve Spring Shim, Steel, Hardened, 1.500 in. Outside Diameter, .060 in. Thick, Set of 100

Part Number: CCA-4751-100

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COMP Cams Valve Springs 26981-8

Valve Springs, Single, 1.240 in. Outside Diameter, 347 lbs./in. Rate, 1.115 in. Coil Bind Height, Set of 8

Part Number: CCA-26981-8

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Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

Trick Flow® by PAC Racing Single Valve Springs TFS-15100

Valve Springs, PAC Racing, Single, .953 in. Outside Diameter, 144 lbs./in. Rate, .860 in. Coil Bind, Set 16

Part Number: TFS-15100

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Trick Flow® Valve Spring Shims TFS-31500432

Valve Spring Shims, Steel, Hardened, 1.460 in. Outside Diameter, .060 in. Thick, Set of 16

Part Number: TFS-31500432

5.0 out of 5 stars ( 1 )

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Melling Valve Springs 461219

Valve Spring, Single, 1.072 in. / 1.307 in. Diameter, Chevy, LS, Each

Part Number: MEL-461219

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Manley Valve Spring Shims 03251-50

Valve Spring Shims, Hardened, 0.785 in. I.D., 1.437 in. O.D., 0.015 in. Thick, Set of 50

Part Number: MAN-03251-50

5.0 out of 5 stars ( 1 )

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COMP Cams Valve Spring Locators 4695-16

Valve Spring Locator, Inside Locating Shoulder, Steel, 0.060 in. Thick, 1.300 in. O.D., 0.520 in. I.D., 0.640 in. Spring I.D., Set of 16

Part Number: CCA-4695-16

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Manley Valve Spring Cups and Locators 42379-16

Valve Spring Locators, Outside, Steel, .062 in. Thick, 1.740 in. O.D., .570 in. I.D., 1.650 in. Spring, Set of 16

Part Number: MAN-42379-16

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

Engine Works Valve Spring Locators 255-16

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 0.070 in. Thick, 1.620 in. O.D., 0.565 in. I.D., 0.740 in. Spring I.D., Set of 16

Part Number: EW1-255-16

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Edelbrock Valve Spring Retainers 9644

Valve Spring Retainers, Steel, 7 degree, 1.550 in. Outside Diameter, Set of 16

Part Number: EDL-9644

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R615

Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs

Part Number: RSC-PAC-R615

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AFR Hardened Spring Cups 8042-1

Valve Spring Locators, Outside Shoulder Type, 1.380 in. O.D., 0.570 in. I.D., Use with AFR 8017 and 8019 Valve Springs, Steel, Each

Part Number: AFR-8042-1

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Howards Cams Max Effort Mechanical Roller Valve Springs 98635

Valve Springs, Dual, 1.557 in. Outside Diameter, 471 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98635

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Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

PAC Racing 1200 Series Valve Springs PAC-1227

Valve Spring, 1200 Series, Dual, 1.539 in. Outside Diameter, 0.731 in. Inside Diameter, Each

Part Number: RSC-PAC-1227

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Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Melling Valve Springs 466944

Valve Spring, Single, 1.075 in. / 1.300 in. Diameter, Chevy, LS, Each

Part Number: MEL-466944

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Manley Valve Spring Cups and Locators 42371-16

Valve Spring Locators, Outside, Steel, 1.660 in. O.D., .635 in. I.D., Set of 16

Part Number: MAN-42371-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

BTR Valve Spring Retainers SR001-1

Valve Spring Retainers, 1.300 in. O.D. Outer Spring, 0.670 in. I.D. Inner Spring, 8mm Stem Diameter, 7 Degree Lock, Standard Spring, Titanium, Each

Part Number: BTC-SR001-1

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Howards Cams Electro Polished Pro-Alloy Mechanical Roller Valve Springs 98644

Valve Springs, Dual, 1.550 in. Outside Diameter, 508 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16

Part Number: HRS-98644

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Manley Professional Valve Springs 22441-16

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Manley NexTek Valve Spring and Retainer Kits 26382538KS

Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit

Part Number: MAN-26382538KS

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Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Manley Street Master Steel Valve Spring Retainers 23666-16

Valve Spring Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Set of 16

Part Number: MAN-23666-16

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Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

COMP Cams Steel Valve Spring Retainers 1731-1

Valve Spring Retainers, Tool Steel, 10 Degree, 1.550 in. Outside Diameter, .690 in. Inside Diameter, Each

Part Number: CCA-1731-1

3.0 out of 5 stars ( 1 )

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Engine Works Valve Spring Locators 257-16

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 0.070 in. Thick, 1.550 in. O.D., 0.565 in. I.D., 0.715 in. Spring I.D., Set of 16

Part Number: EW1-257-16

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