Pistons - 4.040 in. Bore (in.) - 6.098 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-3269434040-2

Summit Racing™ Pro LS Forged Pistons SUM-3269434040-2

Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434040-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Summit Racing™ Pro LS Forged Pistons SUM-3269454040-2

Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-3269454040-2

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

D.S.S. SX-Series Forged Pistons 1830-4040

Pistons, SX-Series, Forged, 3.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1830-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326945404012

Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945404012

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

D.S.S. E Series Forged Pistons 8785-4040

Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series +3cc LS Flat Top Piston Set. 4.040 bore

Part Number: DMS-8785-4040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged Piston and Ring Kits K2-2832-4040

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

Part Number: DMS-K2-2832-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2832-4040

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

Part Number: DMS-1-2832-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326S454040-2

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-326S454040-2

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

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 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Enginetech Piston Sets P5038(8)040

Engine Piston Set 03-06 CAD/CHV/GMC/Hummer/IZU/PON 6.0L

Part Number: EGN-P50388040

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Enginetech Piston Sets P5073(8)040

Engine Piston Set 06-17 CAD/CHV/GMC/Hummer/IZU 6.0L

Part Number: EGN-P50738040

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Enginetech Piston Sets P5041(8)040

Engine Piston Set 02-14 CAD/CHV/GMC/IZU/PON 6.0L

Part Number: EGN-P50418040

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1933-4040

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

Part Number: DMS-K1933-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1931-4040

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

Part Number: DMS-K1931-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1935-4040

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

Part Number: DMS-K1935-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1934-4040

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

Part Number: DMS-K1934-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1830-4040

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

Part Number: DMS-K1830-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1831-4040

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

Part Number: DMS-K1831-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1833-4040

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

Part Number: DMS-K1833-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1834-4040

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

Part Number: DMS-K1834-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1835-4040

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

Part Number: DMS-K1835-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2833-4040

Pistons, FX-Series, Forged 4032, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2833-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2834-4040

Pistons, FX-Series, Forged 4032, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2834-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2835-4040

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

Part Number: DMS-1-2835-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2934-4040

Pistons, FX-Series, Forged 4032, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2934-4040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today