JR Race Car Engines & Components

ZR 4 CAMSHAFT 127

Part Number: JRC-ZRC-4ZR127

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ZR 4 CAMSHAFT 128

Part Number: JRC-ZRC-4ZR128

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ZR 4 CAMSHAFT 129

Part Number: JRC-ZRC-4ZR129

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ZR 4 CAMSHAFT 131

Part Number: JRC-ZRC-4ZR131

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ZR 2/3 CAMSHAFT 121

Part Number: JRC-ZRC-5ZR121

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ZR 2/3 CAMSHAFT 123

Part Number: JRC-ZRC-5ZR123

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ZR 2/3 CAMSHAFT 125

Part Number: JRC-ZRC-5ZR125

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2.567 .005 OVER PISTON KIT

Part Number: JRC-954-0056

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2.622 .060 OVER PISTON KIT

Part Number: JRC-954-0609

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2.662 .100 OVER .690 CH

Part Number: JRC-954-1009

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Piston and Rings, Cast Aluminum, Flat Top, 2.736 in. Bore, Kit

Part Number: JRC-954-1749

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Piston, Flat Top, 3.012 in. Bore, Cast Aluminum, Rings, Wrist Pin, Clips, Kit

Part Number: JRC-954-30129

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1.550 EX VALVE 3 1/2 7MM BEAD LOCK

Part Number: JRC-TNP-3953

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ZR3 HEAD .480 DEEP CHAMBER

Part Number: JRC-ZRC-2010

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ZR2/3 BREATHER

Part Number: JRC-ZRC-3001

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JR 4.225 7/8 .490 STROKER ENDURO ROD

Part Number: JRC-557-4225-875

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1-1/4 BEARING CASSETTE

Part Number: JRC-555-3012

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JR 4.500" 1" .490" STROKER ROD

Part Number: JRC-55745001004

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ZR 2/3 CAMSHAFT 127

Part Number: JRC-ZRC-5ZR127

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Estimated Ship Date: Oct 23, 2025 if ordered today

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2.592 .030 OVER PISTON KIT

Part Number: JRC-954-0309

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Piston and Rings, Cast Aluminum, Flat Top, 2.717 in. Bore, Kit

Part Number: JRC-954-1559

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Piston and Rings, Cast Aluminum, Flat Top, 2.756 in. Bore, Kit

Part Number: JRC-954-1949

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Piston, Flat Top, 3.032 in. Bore, Cast Aluminum, Rings, Wrist Pin, Clips, Kit

Part Number: JRC-954-30329

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3.062 STROKE TITAN CRANK GEN 2

Part Number: JRC-TNP-3004-16

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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-685-6218

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