Camshafts & Valvetrain

ENGINE TIMING CRANKSHAFT SPROCKET

Part Number: CLO-S431

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Valve Spring Locator, Outside, Steel, .062 in. Thick, 1.740 in. O.D., .635 in. I.D., Each

Part Number: MAN-42121-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Pushrods, Steel, 5/16 in. Diameter, Ball Tips, 7.260 in. Overall Length, Each

Part Number: MEL-MPR-363

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Valve, Exhaust, 1.550 in. Head Diameter, 9.45mm Stem Diameter, 5.016 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: MEL-V1340

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Valve Spring Retainer, Replacement, OEM Style, Steel, Standard, 0.732 in. OD, 0.299 in. ID, 0.059 in. Thick, Buick, Cadillac, Chevy, GMC, Hummer, Each

Part Number: NAL-12575196

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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.450 in. O.D., 0.630 in. I.D., 0.060 in. Thick, Each

Part Number: RSC-PAC-S113

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Steel Valve Locks - Standard 10 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8026

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Steel Valve Locks - Standard 8 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8037

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Steel Valve Locks - Standard 7 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8151

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Steel Valve Locks - Standard 7 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8150

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S114

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Valve Spring Retainer, Steel, 10 Degree, 1.550 in. Outside Diameter, .798 in. Inside Diameter, Each

Part Number: CCA-748-1

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ProX Valve Shim 7.48 x 1.60 mm. (5 pcs.)

Part Number: PXR-29-748160

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Bolt, Engine Rocker Arm Bolt, Course Thread, Hex, Steel, Natural, Cheverolet, GMC, Each

Part Number: ADO-10114123

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Estimated Ship Date: Today

ROCKER ARM STUDS, 3/8" PQ Series, 1.90" stud height, Each

Part Number: PQX-1200406

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Rocker Arm Mounting Stands, Rocker Pedestal, 90097/90098

Part Number: HRS-90040-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Valve Spring Locators, Inside, Steel, .060 in. Thick, 1.550 in. O.D., .570 in. I.D., Each

Part Number: HRS-96024-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Valve Spring Locators, Inside, Steel, .060 in. Thick, 1.535 in. O.D., .570 in. I.D., Each

Part Number: HRS-96030-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Valve Spring Retainer, Steel, Stock, Each

Part Number: NAL-14003974

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Valve Spring, Dual, 1.440 in. Outside Diameter, 286 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98443-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Rocker Arm Adjusting Screw

Part Number: PQX-1200336-01

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Rocker Arm Nut, Polylock, for Pro Magnum Series Rockers In GEN III LS1, LS2, and LS6 Models, Each

Part Number: CCA-4654-1

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Valve Lock, Forged Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.035 in. Height, Pair

Part Number: HRS-93017-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Pushrods, Steel, Heat-Treated, 5/16 in. Diameter, 7.894 in. Length, Universal, Each

Part Number: MAN-25777-1

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RETAINER-ENG VALVE SPRING EACH

Part Number: MEL-475084

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