Pistons - No Piston Rings Included - 4.145 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Claimer Pistons 9911HC.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9911HC-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

JE Pistons Pistons 139624

Pistons, Forged, Dish, 2-Valve Reliefs, 4.145 in. Bore, 4.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Set of 8

Part Number: JEP-139624

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

JE Pistons Pistons 138102

Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.145 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8

Part Number: JEP-138102

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

KB Performance Claimer Pistons 9907HC.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

JE Pistons 400 Small Block 23 Degree Dome Pistons 182030L

JE Pistons 400 Small Block 23 Degree Dome Pistons 182030L

Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.145 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Left, Each

Part Number: JEP-182030L

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Silv-O-Lite Cast Pistons 1630.02

Pistons, Cast, Dish, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Set of 8

Part Number: UEM-1630-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Ross Racing Forged Pistons 90017

Pistons, Forged, Dome, 4.145 in. Bore, Chevy, Set of 8

Part Number: ROS-90017

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Silv-O-Lite Hypereutectic Pistons 1443HC.020

Pistons, Hypereutectic, Dish, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1443HC-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Silv-O-Lite Cast Pistons 1631.02

Pistons, Cast, Dish, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Set of 8

Part Number: UEM-1631-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB125.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB125-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB160.020

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB160-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB130.020

Pistons, Hypereutectic, Dish, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB130-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

RaceTec AutoTec Forged Pistons 1000183

Pistons, AutoTec SBC, 4.145, 3.48, Flat Top 6, 0.927, SBC 23°4.125, Sold as a set of 8.

Part Number: PIS-1000183

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

RaceTec AutoTec Forged Pistons 1000345

Pistons, AutoTec SBF, 4.145, 3.25, Flat Top 5.4, 0.927, SBF 302 20°, Sold as a set of 8.

Part Number: PIS-1000345

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

JE Pistons FSR Hollowdome GP Pistons 301464R

Piston, Forged, Dome, 2-Valve Reliefs, 4.145 in. Bore, 3.800 in. Stroke, 6.000 in. Rod, 1.100 in. Compression, Chevy, Right, Each

Part Number: JEP-301464R

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

ICON Premium Forged Pistons IC965.020

Pistons, Forged, Dome, 4.145 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC965-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB128.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB128-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB127.020

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB127-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

ICON Premium Forged Pistons IC639.020

Pistons, Premium, Forged 2618 Aluminum, 4.145 in. Bore, 4.000 in. Stroke, Dish, Ford, Small Block, Set of 8

Part Number: UEM-IC639-020

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

KB Performance Pistons KB168.020

Pistons, Hypereutectic, Dish, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB168-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

KB Performance Pistons KB140.020

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB140-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

KB Performance Pistons KB139.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, Chevy, Set of 8

Part Number: UEM-KB139-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

KB Performance Pistons KB376.020

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB376-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

KB Performance Pistons KB172.020

Pistons, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB172-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

KB Performance Pistons KB375.020

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-020

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today