Pistons - 4.040 in. Bore (in.) - 6.125 in. Rod Length - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS Forged Pistons SUM-2999274040-2

Summit Racing™ Pro LS Forged Pistons SUM-2999274040-2

Pro LS 2618 Forged Piston, 4.040 bore, 1.299 C.H., 2cc Flat, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-2999274040-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-1109274040-8

Pro LS 2618 Forged Piston, 4.040 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-1109274040-8

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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D.S.S. SX-Series Forged Pistons 1920-4040

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

Part Number: DMS-1920-4040

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 Piston and Ring Kits with XR Wrist Pins K3-2920-4040

Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K3-2920-4040

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

Wiseco Pro Tru Street Pistons PTS506A4

Piston, Pro Tru Street Series, 23 Degree Head, 4.040 in. Bore, Forged Aluminum, Chevrolet, 350, Set of 8

Part Number: WIS-PTS506A4

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

D.S.S. E Series Forged Pistons 8795-4040

Piston Set, 6.0 / LS2 / L98 / LQ9 Stroker LS E Series -5cc LS Flat Top Piston Set. 4.040 bore

Part Number: DMS-8795-4040

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

Summit Racing™ Pro LS Forged Pistons SUM-110S274040-8

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-110S274040-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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 Piston and Ring Kits K2-2924-4040

Pistons, Rings, FX-Series, Forged, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K2-2924-4040

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 930210840

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

Part Number: MLE-930210840

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 Piston and Ring Kits K1-2920-4040

Pistons, Rings, FX-Series, Forged 4032, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2920-4040

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 Piston and Ring Kits K1-2821-4040

Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2821-4040

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. SX-Series Forged Piston and Ring Kits K1923-4040

Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1923-4040

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. 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: 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 930200640

Piston and Ring Kit, PowerPak, Forged, Chevrolet, Small Block, Kit

Part Number: MLE-930200640

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2820-4040

Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2820-4040

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 Pistons IC876.040

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

Part Number: UEM-IC876-040

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

D.S.S. SX-Series Forged Piston and Ring Kits K1823-4040

Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1823-4040

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

RaceTec AutoTec Forged Pistons 1000116

Piston, Flat Top, 4.040 in. Bore, 3.480 in. Stroke, 6.125 in. Rod Length, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy Small Block, Set of 8.

Part Number: PIS-1000116

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RaceTec Race Pistons 1001020

Piston, Flat Top, 4.040 in. Bore, 3.500 in. Stroke, 6.125 in. Rod Length, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy Small Block, Set of 8.

Part Number: PIS-1001020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Pro LS Forged Pistons SUM-299S274040-2

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-299S274040-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Pro LS Forged Pistons SUM-110S27404020

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-110S27404020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

D.S.S. FX-Series Forged Piston and Ring Kits K1-2941-4040

Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2941-4040

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 Piston and Ring Kits K1-2942-4040

Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2942-4040

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 Piston and Ring Kits K1-2945-4040

Pistons, Rings, FX-Series, Forged 4032, 29.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2945-4040

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