Pistons - 4.000 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Silv-O-Lite Cast Pistons 3445.STD

Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Set of 6

Part Number: UEM-3445-STD

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

Silv-O-Lite Hypereutectic Pistons 3476HC.STD

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Set of 6

Part Number: UEM-3476HC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Hypereutectic Pistons SUM-17302-00-1

Piston, Hypereutectic, Flat, 4.000 in. Bore, Ford, Each

Part Number: SUM-17302-00-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ICON Premium Forged Piston and Ring Kits IC879KTD.STD

Piston and Ring Kit, Forged, Step Dish, 4.000 in. Bore, Ford, Cleveland, Kit

Part Number: UEM-IC879KTD-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Pistons KB181.STD

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB181-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Hyper Piston and Ring Kits KB155KTM.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.000 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB155KTM-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Hyper Piston and Ring Kits KB362KTM.STD

Piston and Ring Kit, Hypereutectic, Step Dish, 4.000 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB362KTM-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ICON Premium Forged Piston and Ring Kits IC739KTD.STD

Piston and Ring Kit, Forged, Dome, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-IC739KTD-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ICON Premium Forged Piston and Ring Kits IC876KTD.STD

Piston and Ring Kit, Forged, Flat, 4.000 in. Bore, Ford, Cleveland, Kit

Part Number: UEM-IC876KTD-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3250-4000

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3250-4000

Piston Set, 331 Stroker SBF 289 - 302 K1-FX Series -4cc Flat Top inline Piston Set. 4.000 bore

Part Number: DMS-K1-3250-4000

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6020-4000C

Piston Set, 400 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.000 bore

Part Number: DMS-1-6020-4000C

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3552-4000

Pistons, FX Series, Forged 4032, 2 cc Flat Top, 4 in. Bore, Ford, Small Block, Set of 8

Part Number: DMS-1-3552-4000

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged Piston and Ring Kits with XR Wrist Pins K3-2823-4000

Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 15.00cc Dish, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K3-2823-4000

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

CP Pistons Bullet Series Piston and Ring Kits BC1040-STD-8

Pistons, Forged, Dome, 4.000 in. Bore, Chevy, Set of 8

Part Number: CNN-BC1040-STD-8

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

CP Pistons Bullet Series Pistons BF6060-STD-8

Pistons set of 8

Part Number: CNN-BF6060-STD-8

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Hypereutectic Pistons SUM-17383-00-1

Piston, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Each

Part Number: SUM-17383-00-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Hyper Piston and Ring Kits KB302KTM.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.000 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB302KTM-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Wiseco Professional Series Piston and Ring Kits 6445LXS

Piston, 4.000 in. Bore, 1.110 in. Compression Height, 2618 Forged Aluminum, ArmorGlide Skirt Coating, with Pin and Spirolox, Chevy, 5.3L, Each

Part Number: WIS-6445LXS

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power Cast Pistons H519CP30

Cast Piston

Part Number: SLP-H519CP30

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Coated Forged Pistons SUM-17407C-1

Piston, Forged Aluminum, Flat, 4.000 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Each

Part Number: SUM-17407C-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Coated Forged SBF 302 Piston SUM-17370FC-00-1

Piston, Forged, Flat, 4.000 in. Bore, Ford, Each

Part Number: SUM-17370FC-00-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Pro LS Forged Pistons SUM-326S434000-2

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434000-2

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

RaceTec AutoTec Forged Pistons 1000100

Pistons, AutoTec SBC, 4, 3.48, Flat Top 5.7, 0.927, SBC 23°4.000, Sold as a set of 8.

Part Number: PIS-1000100

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Silv-O-Lite Cast Pistons 1487.STD

Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1487-STD

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

Silv-O-Lite Hypereutectic Pistons 3117H.STD

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 6

Part Number: UEM-3117H-STD

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