1966 Pistons & Piston Rings

Piston, Forged, Dome, 2-Valve Reliefs, 4.375 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-258246-1

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Piston, Forged, Dome, 2-Valve Reliefs, 4.625 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-258251-1

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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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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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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, Single Valve Relief, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-231510S

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Piston, Forged, Dish, 2-Valve Reliefs, 4.250 in. Bore, 4.250 in. Stroke, 6.700 in, Rod, 1.325 in. Compression, Ford, Right, Each

Part Number: JEP-242930R

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Piston, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-142980S

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Piston, Forged, Flat Top, Single Valve Relief, 4.470 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-142983S

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Piston, Forged, Flat Top, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-142985S

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Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.370 in. Compression, Chevy, Each

Part Number: JEP-143593S

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Piston, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-145376S

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Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.250 in. Stroke, 5.700 in. Rod, 1.675 in. Compression, Chevy, Each

Part Number: JEP-147752S

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Piston, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.250 in. Stroke, 5.700 in. Rod, 1.675 in. Compression, Chevy, Each

Part Number: JEP-147753S

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Piston, Forged, Dish, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-181553S

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Pistons, Professional Series, Forged Aluminum, Dome, 4.280 in. Bore, Stock/Stroked, Chevy, Big Block, Each

Part Number: WIS-60240A3

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Pistons, Professional Series, Forged Aluminum, Dome, 4.320 in. Bore, Stock/Stroked, Chevy, Big Block, Each

Part Number: WIS-60240A7

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Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.035 in. Bore, Left Side, Stock/Stroked, Chevy, Small Block, Each

Part Number: WIS-60094LB35

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Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.020 in. Bore, Right Side, Stock/Stroked, Chevy, Small Block, Each

Part Number: WIS-60094RB2

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Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.060 in. Bore, Right Side, Stock/Stroked, Chevy, Small Block, Each

Part Number: WIS-60095RB6

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Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.040 in. Bore, Left Side, Stroked, Chevy, Small Block, Each

Part Number: WIS-60096LB4

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Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.040 in. Bore, Right Side, Stroked, Chevy, Small Block, Each

Part Number: WIS-60096RB4

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Pistons, Professional Series, Forged Aluminum, Dish, 4.000 in. Bore, Stock Stroke, Ford, Small Block, Each

Part Number: WIS-60100AS

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Estimated Ship Date: Feb 23, 2026 if ordered today

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