2019 Pistons & Piston Rings

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Right, Each

Part Number: JEP-329374R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Forged, Dish, 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-312030R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.330 in. Compression, Chevy, Right, Each

Part Number: JEP-298616R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Forged, Dish, 2-Valve Reliefs, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312042R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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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, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.340 in. Compression, Chevy, Right, Each

Part Number: JEP-312089R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Right, Each

Part Number: JEP-361009R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Left, Each

Part Number: JEP-329359L

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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, 4.010 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, Dome, 2-Valve Reliefs, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312108R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Right, Each

Part Number: JEP-329359R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.000 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Left, Each

Part Number: JEP-329358L

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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, Left, Each

Part Number: JEP-360772L

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ProX Piston Kit KX450 '19-22 12.5:1 (95.97mm)

Part Number: PXR-01-4429-A

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Piston Kit CRF450R/RX '17-22 13.5:1 (95.98mm)

Part Number: PXR-01-1417-C

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Piston Kit CRF450R/RX '17-22 13.5:1 (95.97mm)

Part Number: PXR-01-1417-B

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ProX Piston Kit KX250F '17-19 13.7:1 (76.97mm)

Part Number: PXR-01-4348-B

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ProX Piston Kit YZ250F '16-18 /250FX '17-18 13.5:1 (76.97mm)

Part Number: PXR-01-2417-C

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ProX Piston Kit Yamaha YZ250F '19-22 13.8:1 (76.96mm)

Part Number: PXR-01-2439-B

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ProX Piston Kit Polaris RZR TURBO'16-22

Part Number: PXR-01-5920-A

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Piston, Forged, Flat Top, 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-361717R

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Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Left, Each

Part Number: JEP-361006L

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Piston, Forged, Dish, 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-361730R

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Pistons, Single - GM Gen III / IV LS Flat Top - Ultra Series

Part Number: JEP-361710R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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