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

KB Performance Pistons SKB231.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB231-030

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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 SKB303.030

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

Part Number: UEM-SKB303-030

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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 SKB311.030

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

Part Number: UEM-SKB311-030

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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 SKB355.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB355-030

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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 SKB359.030

Piston, Hypereutectic, Dome, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB359-030

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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 SKB364.030

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

Part Number: UEM-SKB364-030

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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 SKB365.030

Piston, Hypereutectic, Dome, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB365-030

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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 KB214.030

Pistons, Hypereutectic, Dome, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-KB214-030

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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

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.030K2

Pistons, Speed of Air, Dimpled Piston, 4032 Forged, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-030K2

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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

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

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

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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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Wiseco Professional Series Pistons 6464RX3

Wiseco Professional Series Pistons 6464RX3

Pistons, Professional Series, Forged Aluminum, Dome, 4.030 in. Bore, Rings, Chevrolet, 5.7L LS, Each

Part Number: WIS-6464RX3

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Professional Series Pistons 60001LX3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings Included, Stroked, Left Side, Chevy, Small Block, Each

Part Number: WIS-60001LX3

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Wiseco Professional Series Pistons 60001RX3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings Included, Stroked, Right Side, Chevy, Small Block, Each

Part Number: WIS-60001RX3

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Wiseco Professional Series Pistons 60002RX3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings Included, Right Side, Chevy, Small Block, Each

Part Number: WIS-60002RX3

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Professional Series Pistons 60094LB3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Chevrolet, 5.7L, Each

Part Number: WIS-60094LB3

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Pro Tru Street Pistons 5503A3

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Small Block, Single Piston, Each

Part Number: WIS-5503A3

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Wiseco Pro Tru Street Pistons 5528A3

Pistons, Pro Tru Street, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings, Chrysler, Dodge, Plymouth, 5.6L, 5.9L, Single Piston, Each

Part Number: WIS-5528A3

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Pro Tru Street Pistons 5534A3

Pistons, Pro Tru Street, Forged Aluminum, Dish, 4.030 in. Bore, Rings, Designed for 18 degree Cylinder Heads, Chevrolet, 5.7L, Single Piston, Each

Part Number: WIS-5534A3

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Professional Series Pistons 60002LX3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings Included, Left Side, Chevy, Small Block, Each

Part Number: WIS-60002LX3

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Professional Series Pistons 60003LX3

Pistons, Professional Series, Forged Aluminum, Flat Top, 4.030 in. Bore, Rings Included, Left Side, Chevy, Small Block, Each

Part Number: WIS-60003LX3

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Wiseco Professional Series Pistons 60098LB3

Pistons, Professional Series, PRO Late Model, Forged Aluminum, Flat Top, 4.030 in. Bore, Left Side, Stock/Stroked, Chevy, Small Block, Each

Part Number: WIS-60098LB3

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today