Camshafts & Valvetrain

Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB2

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.290 in. Outside Diameter, Each

Part Number: HRS-97162-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Retainer, 10 Deg., 1.095" Behive, Each

Part Number: HRS-97174-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring Retainers, Retainer, 10 Deg., 1.325"

Part Number: HRS-97175-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Single, 1.240 in. Outside Diameter, 335 lbs./in. Rate, 1.125 in. Coil Bind Height, Each

Part Number: HRS-98111-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Each

Part Number: HRS-98431-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 251 lbs./in, 1.055 in. Coil Bind Height, Each

Part Number: HRS-98436-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Each

Part Number: HRS-98442-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Dual, 1.510 in. Outside Diameter, 350 lbs./in. Rate, 1.300 in. Coil Bind Height, Each

Part Number: HRS-98515-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Each

Part Number: HRS-98541-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring, Dual, 1.550 in. Outside Diameter, 341 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98611-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Cam Button Kit

Part Number: PIO-839028

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Estimated Ship Date: Oct 24, 2025 if ordered today

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camshaft pins

Part Number: PIO-839047

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Estimated Ship Date: Oct 24, 2025 if ordered today

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CAM THRUST BUTTON

Part Number: PIO-500006

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Camshaft Thrust Buttons

Part Number: PIO-500007

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Timing Pointers

Part Number: PIO-500454S-TM

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Estimated Ship Date: Oct 24, 2025 if ordered today

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SINGLE VALVE SPRING

Part Number: PIO-53574700

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Estimated Ship Date: Oct 24, 2025 if ordered today

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FRONT DRIVER SIDE TOW HOOK COVER; EXCEPT SR MODEL; AS OEM RAW BLACK

Part Number: BDY-NI1029122

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Estimated Ship Date: Jan 5, 2026 if ordered today

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INTAKE VALVE RETAINER

Part Number: ARB-290203

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Estimated Ship Date: Nov 18, 2025 if ordered today

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INTAKE VALVE INSERT

Part Number: ARB-290215

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Bolt, Hex Head, PRW Dual Drive Timing set. Chevy Small Block, Grade 8, Each

Part Number: PQX-1028100

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Ford, Each

Part Number: PQX-1135101-01

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Guideplates, PowerPlus+, Raised, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevrolet, Each

Part Number: PQX-1145400-01

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Guide-Push Rod

Part Number: PWD-691343

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Rod-Push

Part Number: PWD-693517

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Estimated Ship Date: Jan 2, 2026 if ordered today

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