Camshafts & Valvetrain

ROCKER ARM KIT

Part Number: PIO-RK-346-X

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Estimated Ship Date: Oct 16, 2025 if ordered today

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ROCKER ARM KIT

Part Number: PIO-RK-660-B

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Estimated Ship Date: Oct 16, 2025 if ordered today

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H/P PUSH ROD

Part Number: PIO-815219-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-1140-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-1380-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-1386-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-735-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Rocker SB Chev 1.6 x 3/8"

Part Number: HRS-90046-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, SB Chev, 2.020, 11/32, Std.

Part Number: HRS-20201N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 2.020, 8mm, Std.

Part Number: HRS-20208N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Intake, 1.940 in. Head Diameter, 8.73mm Stem Diameter, 4.911 in. Overall Length, Chevy, Small Block, Each

Part Number: HRS-19401N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 1.600, 8mm, Std.

Part Number: HRS-16008N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 1.600, 8mm, +.100

Part Number: HRS-16018N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.000 in. Length, Chevy, Each

Part Number: HRS-20811N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 2.165, 8mm, Std.

Part Number: HRS-21608N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 2.165, 8mm, +.100"

Part Number: HRS-21618N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Pushrod, 5/16", 7.350"

Part Number: HRS-95031-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Springs, Dual, Mechanical Roller, 1.557 in. OD, 471 lb/in. Rate, 1.150 in. Coil Bind Height, Damper, Each

Part Number: HRS-98655-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 20, 2025 if ordered today

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Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Cam Bushing 4 Deg. Each

Part Number: HRS-94505-4505-4

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Cam Bushing 3 Deg. Each

Part Number: HRS-94510-4510-3

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 20, 2025 if ordered today

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Camshaft Retainer Plat, Pontiac 301-400-455

Part Number: HRS-94559

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98513-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Spring, Electro Polished, Inverted Conical, Single, Beehive, 1.280 in. O.D., 412 lbs./in. Rate, Each

Part Number: HRS-98114-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: HRS-98116-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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