Pistons - 4.030 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

JE Pistons Pistons 324860S

Piston, Forged, Dish, 4-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each

Part Number: JEP-324860S

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 322531R

JE Pistons Pistons 322531R

Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Right, Each

Part Number: JEP-322531R

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 323981R

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.900 in. Stroke, 6.125 in. Rod, 1.165 in. Compression, Chevy, Right, Each

Part Number: JEP-323981R

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 329378L

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.330 in. Compression, Chevy, Left, Each

Part Number: JEP-329378L

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 329378R

Pistons, LS2 PRO KIT FT -5cc

Part Number: JEP-329378R

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 279591L

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Left, Each

Part Number: JEP-279591L

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 279591R

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Right, Each

Part Number: JEP-279591R

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 288005L

Piston, Forged, Dish, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Left, Each

Part Number: JEP-288005L

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

JE Pistons Pistons 288005R

Piston, Forged, Dish, 2-Valve Reliefs, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Right, Each

Part Number: JEP-288005R

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons S1491H.030

Piston, Hypereutectic, Dish, 4.030 in, Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, 3.0L, Each

Part Number: UEM-S1491H-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Pistons SKB198.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB198-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Pistons SKB379.030

Piston, Hypereutectic, Step Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB379-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Pistons SKB177.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB177-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Pistons SKB193.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB193-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Claimer Pistons S9903HC.030

Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9903HC-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Claimer Pistons S9908HC.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Claimer Pistons S9912HC.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9912HC-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Performance Hyper Piston and Ring Kits KB232KTM.030

Piston and Ring Kit, Hypereutectic, Step Dish, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB232KTM-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Pistons KB261.030

Pistons, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB261-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB261KTM.030

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB261KTM-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Pistons KB281.030

Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB281-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB302KTM.030

Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB302KTM-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB332KTM.030

Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB332KTM-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Pistons KB333.030

Pistons, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB333-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB333KTM.030

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB333KTM-030

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today