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

Piston, Forged, Dish, 2-Valve Reliefs, 4.000 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.340 in. Compression, Chevy, Right, Each

Part Number: JEP-312018R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.080 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-312033L

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Piston, Forged, Dish, 2-Valve Reliefs, 4.135 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-312036R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.155 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312050R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-311957L

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Piston, Forged, Dome, 2-Valve Reliefs, 4.130 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-312101R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.135 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312000R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.135 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-312102L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.065 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311994L

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Piston, Forged, Dish, 2-Valve Reliefs, 4.130 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311918R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.077 in. Rod, 1.163 in. Compression, Chevy, Left, Each

Part Number: JEP-311922L

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.075 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311996R

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Piston, Forged, Dish, 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-312033R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.130 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Left, Each

Part Number: JEP-312129L

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Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Left, Each

Part Number: JEP-312054L

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Piston, Forged, Dome, 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-312099R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Right, Each

Part Number: JEP-312123R

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-311992L

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Piston, Forged, Dish, 2-Valve Reliefs, 4.125 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Left, Each

Part Number: JEP-312034L

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Piston, Forged, Dish, 2-Valve Reliefs, 4.005 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312040R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.070 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Left, Each

Part Number: JEP-312057L

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Piston, Forged, Dome, 2-Valve Reliefs, 4.065 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Left, Each

Part Number: JEP-312124L

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CT525 BLOCK MOUNT PRO SERIES PUMP BRACKET KIT USE WITH EMP WATER PUMP

Part Number: KRS-KRC71415525

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Pistons, Professional Series, Forged Aluminum, Dome, 3.780 in. Bore, Stock Stroke, Rings Included, Right Side, Chevy, LS, Each

Part Number: WIS-60041RXS

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston, Professional Series, 3.905 in. Bore, Forged Aluminum, Chevrolet, LS, Each

Part Number: WIS-6392LX3905

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Estimated Ship Date: Nov 17, 2025 if ordered today

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