CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Piston, Forged, Dome, 2-Valve Reliefs, 4.075 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312111R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311925L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-311960L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311960R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-311963L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311963R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-311964L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311964R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.065 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311965R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311966R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.080 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311968R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311978L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311978R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311979L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311981R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.075 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311982L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.075 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311982R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.080 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311984L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.080 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311984R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311985R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.080 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311997R

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Piston, Forged, Dish, 4.005 in. Bore, Driver Side, LS, Each

Part Number: MAN-596205DC-1

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston, Forged, Dish, 4.005 in. Bore, Passenger Side, LS, Each

Part Number: MAN-596205PC-1

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston, Forged, Dish, 4.080, LS, Each

Part Number: MAN-596980DC-1

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Piston, Forged, Dish, 4.080, LS, Each

Part Number: MAN-596980PC-1

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