Pistons - 4.040 in. Bore (in.) - 3.500 in. Stroke - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Speed-Pro Hypereutectic Pistons H336CP40

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP40

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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D.S.S. E Series Forged Pistons 8750-4040

D.S.S. E Series Forged Pistons 8750-4040

Pistons, E-Series, Forged, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: DMS-8750-4040

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Mahle PowerPak Piston Kits 930203840

Piston and Ring Kit, PowerPak, USRA Factory Stock Rule, 4.040 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, Flat Top, Forged, Chevrolet, Small Block, Kit

Part Number: MLE-930203840

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Speed-Pro Hypereutectic Pistons H653CP40

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP40

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Speed-Pro Forged Pistons L2379F40

Pistons, Forged, Flat, 4.040 in. Bore, Ford, Cleveland, Set of 8

Part Number: SLP-L2379F40

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ICON Premium Forged Piston and Ring Kits IC729KTD.040

Piston and Ring Kit, Forged, Flat, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-IC729KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB149KTD.040

Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Cleveland, Kit

Part Number: UEM-KB149KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB314KTM.040

Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB314KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 197754140

Piston and Ring Kit, Powerpack Plus, Gas Ported, Dome, Forged Aluminum, 4.040 in. Bore, 3.500 in. Stroke, Chevy, Set of 8

Part Number: MLE-197754140

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3925-4040

Piston Set, 351C /Boss SBF 351C K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.040 bore

Part Number: DMS-K1-3925-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 930202640

Pistons, PowerPak Plus Piston and Ring Kits, 4.040 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930202640

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3550-4040

Piston Set, 351W / 5.8 SBF 351W K1-FX Series -4cc Flat Top Inline Piston Set. 4.040 bore

Part Number: DMS-K1-3550-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930206640

Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit

Part Number: MLE-930206640

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC738KTD.040

Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-IC738KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930203640

Pistons, PowerPak Piston and Ring Kits, 4.040 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930203640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB319KTM.040

Piston and Ring Seit, Hypereutectic, Dish, Two Valve Reliefs, 4.040 in. Bore, for 5.956 in. Connecting Rod, +27.50 cc Volume, Ford, 351W, Kit

Part Number: UEM-KB319KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB151.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB151-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 930202840

Pistons, PowerPak Plus Piston and Ring Kits, 4.040 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930202840

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-3922-4040

Piston Set, 351C /Boss SBF 351C K2-FX Series -18cc Dish Top Boss/Canted Piston Set. 4.040 bore

Part Number: DMS-K2-3922-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3920-4040

Piston Set, 351C /Boss SBF 351C K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore

Part Number: DMS-K1-3920-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC688CKTD.040

Piston and Ring Kits, Premium, Forged Aluminum, 4.040 in. Bore, 3.500 in. Stroke, Dish, Ford, Cleveland, Set of 8

Part Number: UEM-IC688CKTD040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3450-4040

Piston Set, 351W / 5.8 SBF 351W 2-FX Series -4cc Flat Top inline Piston Set. 4.040 bore

Part Number: DMS-2-3450-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

KB Performance Pistons KB124.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, 351W, Set of 8

Part Number: UEM-KB124-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB151KTM.040

Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB181KTM.040

Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB181KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today