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

ICON Premium Forged Pistons IC729.040

Pistons, Forged, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Small Block, Set of 8

Part Number: UEM-IC729-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8117-4040

D.S.S. SX-Series Forged Piston and Ring Kits K8117-4040

Piston Set, 350 SBC SX Series +4cc Dome Top Piston Set. 4.040 bore

Part Number: DMS-K8117-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8890-4040

Piston Set, 408W /5.8 Stroker SBF 351W SX Series -5cc Flat Top Inline / Twisted Wedge Piston Set. 4.040 bore

Part Number: DMS-K8890-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3266-4040

Piston Set, 331 Stroker SBF 289 - 302 2-FX Series +6cc Dome Top inline Piston Set. 4.040 bore

Part Number: DMS-2-3266-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC983KTD.040

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC983KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC969KTD.040

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dome, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC969KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC794KTD.040

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

Part Number: UEM-IC794KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC800KTD.040

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

Part Number: UEM-IC800KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC796KTD.040

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

Part Number: UEM-IC796KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3821-4040

Piston Set, 393C / Boss Stroker SBF 351C 1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore

Part Number: DMS-1-3821-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3266-4040

Piston Set, 331 Stroker SBF 289 - 302 1-FX Series +6cc Dome Top inline Piston Set. 4.040 bore

Part Number: DMS-1-3266-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

ICON FHR Series Pistons IC9970.040

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

Part Number: UEM-IC9970-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1920-4040

Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1920-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1930-4040

Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1930-4040

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

D.S.S. SX-Series Forged Piston and Ring Kits K8113-4040

Piston Set, 350 SBC SX Series -13cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8113-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8126-4040

Piston Set, 383 SBC SX Series -28cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8126-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC745KTD.040

Piston and Ring Kit, Forged, Step Dish, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC745KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 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: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-2465-4040

Piston Set, 396 SBC 2-FX Series -21cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-2-2465-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-2400-4040

Piston Set, 383 SBC 2-FX Series -5cc Flat Top Piston Set. 4.040 bore

Part Number: DMS-2-2400-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

RaceTec AutoTec Forged Pistons 1000521

Piston, Flat Top, 4.040 in. Bore, 4.000 in. Stroke, 6.000 in. Rod Length, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford Small Block, Set of 8.

Part Number: PIS-1000521

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

RaceTec AutoTec Forged Pistons 1000464

Pistons, Forged, 4.040 in. Bore, 4.000 in. Stroke, Flat Top, 6.200 in. Rod Length, 0.927 in. Pin Diameter, SBF, 351W 20 degree, Ford, Set of 8

Part Number: PIS-1000464

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Mahle PowerPak Piston and Ring Kits 930208140

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

Part Number: MLE-930208140

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC733KTD.040

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

Part Number: UEM-IC733KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

ICON Premium Forged Pistons IC793.040

Pistons, Forged, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC793-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today