1966 Pistons & Piston Rings

Piston and Ring Kit, Forged Aluminum, 3.517 in., Harley-Davidson®, Kit

Part Number: WIS-4012P8

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Piston and Ring Kit, Forged Aluminum, 3.437 in., Harley-Davidson®, Kit

Part Number: WIS-4012PS

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Piston, Hypereutectic, Flat, 4.103 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac, V8, Each

Part Number: UEM-SKB370-040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston, Forged, Dome, Single Valve Relief, 4.625 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Right. Each

Part Number: JEP-281920-1

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, Forged, Dish, Single Valve Relief, 4.610 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each

Part Number: JEP-281922-1

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Piston, Forged, Dish, Single Valve Relief, 4.625 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each

Part Number: JEP-281923-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330127-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330130-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.625 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330131-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.375 in. Stroke, 6.385 in. Rod, 1.215 in. Compression, Chevy, Each

Part Number: JEP-330141-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.060 in. Compression, Chevy, Each

Part Number: JEP-330160-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330162-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330164-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-330166-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.375 in. Stroke, 6.385 in. Rod, 1.215 in. Compression, Chevy, Each

Part Number: JEP-330172-1

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Piston, Forged, Flat Top, Single Valve Relief, 4.560 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-338168S

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Piston, Forged, Dish, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.383 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-338172S

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Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.060 in. Compression, Chevy, Each

Part Number: JEP-330124-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.000 in. Stroke, 6.535 in. Rod, 1.245 in. Compression, Chevy, Each

Part Number: JEP-330145-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.060 in. Compression, Chevy, Each

Part Number: JEP-330159-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.060 in. Bore, 3.000 in. Stroke, 5.700 in. Rod, 1.800 in. Compression, Chevy, Each

Part Number: JEP-261358S

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Piston, Forged, Dome, 2-Valve Reliefs, 4.280 in. Bore, 3.766 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each

Part Number: JEP-267207-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 3.766 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each

Part Number: JEP-267208-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.285 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each

Part Number: JEP-258252-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each

Part Number: JEP-258253-1

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