Engines & Components

ZR 4 CAMSHAFT 131

Part Number: JRC-ZRC-4ZR131

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Estimated Ship Date: Dec 10, 2025 if ordered today

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ZR 2/3 CAMSHAFT 121

Part Number: JRC-ZRC-5ZR121

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Estimated Ship Date: Dec 10, 2025 if ordered today

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ZR 2/3 CAMSHAFT 123

Part Number: JRC-ZRC-5ZR123

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Micro Sprint Chain Tensioner, Black

Part Number: JOE-25875-B

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Connecting Rod, ARC Stroker, I-beam, T-651 Billet Aluminum, Polished, 4.475 in, Jr Dragster Engines Only, Each

Part Number: JRC-685-6217

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Estimated Ship Date: Tomorrow if ordered today

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ZR 2/3 CAMSHAFT 127

Part Number: JRC-ZRC-5ZR127

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Piston and Rings, Cast Aluminum, Flat Top, 2.702 in. Bore, Kit

Part Number: JRC-954-1409

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3.738 BLANK

Part Number: JRC-954-37389

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Connecting Rod, ARC Stroker, I-beam, T-651 Billet Aluminum, Polished, 4.425 in, Jr Dragster Engines Only, Each

Part Number: JRC-685-6216

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Cylinder Assembly

Part Number: PWD-555705

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Estimated Ship Date: Jan 26, 2026 if ordered today

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ZR 4 1.500 TI EX VALVE 1/4 STEM

Part Number: JRC-ZRC-4200

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Engine Side Plate Covers, Crankcase, Bolt-on, Aluminum, Natural, Animal, Each

Part Number: PWD-555706

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Cover-Gear

Part Number: PWD-792748

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Estimated Ship Date: Jan 26, 2026 if ordered today

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CYLINDER HEAD ASSY

Part Number: HSD-B-555635

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Connecting Rod, ARC Stroker, I-beam, T-651 Billet Aluminum, Polished, 4.625 in, Jr Dragster Engines Only, Each

Part Number: JRC-685-6365

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2.992 BLANK

Part Number: JRC-954-29929

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Estimated Ship Date: Dec 9, 2025 if ordered today

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JR 4.225 7/8 .490 STROKER ENDURO ROD

Part Number: JRC-557-4225-875

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Piston, Flat Top, 3.735 in. Bore, Cast Aluminum, Rings, Wrist Pin, Clips, Kit

Part Number: JRC-954-37359

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Piston, Flat Top, 3.740 in. Bore, Cast Aluminum, Rings, Wrist Pin, Clips, Kit

Part Number: JRC-954-37409

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Estimated Ship Date: Dec 10, 2025 if ordered today

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