Pistons - 4.000 in. Bore (in.) - 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-3269454000-2

Pro LS 2618 Forged Piston, 4.000 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-3269454000-2

4.67 out of 5 stars ( 3 )

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Summit Racing™ Pro LS Forged Pistons SUM-3269434000-2

Pro LS 2618 Forged Piston, 4.000 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-3269434000-2

5.0 out of 5 stars ( 2 )

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Wiseco Pro Tru Street Pistons PTS523AS

Wiseco Pro Tru Street Pistons PTS523AS

Pistons, Pro Tru Street, Forged, Dome, 4.000 in. Bore, Chevy, 6.0L LS, Set of 8

Part Number: WIS-PTS523AS

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-2999274000-2

Pro LS 2618 Forged Piston, 4.000 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-2999274000-2

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Summit Racing™ Pro LS Forged Pistons SUM-326945400012

Pro LS 2618 Forged Piston, 4.000 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-326945400012

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-299927400012

Pro LS 2618 Forged Piston, 4.000 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-299927400012

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Summit Racing™ Pro LS Forged Pistons SUM-1109274000-8

Pro LS 2618 Forged Piston, 4.000 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-1109274000-8

5.0 out of 5 stars ( 2 )

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Summit Racing™ Coated Forged Pistons SUM-17407C

Pistons, Forged Aluminum, Flat, 4.000 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17407C

5.0 out of 5 stars ( 1 )

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D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2920-4000

Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2920-4000

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-326943400012

Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-326943400012

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KB Performance Hyper Piston and Ring Kits KB124KTD.STD

Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB124KTD-STD

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 4032 Alloy Pistons 1-3550-4000

Piston Set, 351W / 5.8 SBF 351W 1-FX Series -4cc Flat Top Inline Piston Set. 4.000 bore

Part Number: DMS-1-3550-4000

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-110927400020

Pro LS 2618 Forged Piston, 4.000 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-110927400020

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KB Performance Hyper Piston and Ring Kits KB115KTM.STD

Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB115KTM-STD

5.0 out of 5 stars ( 1 )

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ICON FHR Series Pistons for GM LS IC9992C.STD

Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.000 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-IC9992C-STD

Not Yet Reviewed

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D.S.S. E Series Forged Piston and Ring Kits K8740-4000

Piston Set, 347 Stroker SBF 289 - 302 E Series -6cc Dish Top Inline Piston Set. 4.000 bore

Part Number: DMS-K8740-4000

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™ Coated Forged Pistons SUM-17406C

Pistons, Forged Aluminum, Flat, 4.000 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C

5.0 out of 5 stars ( 2 )

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Summit Racing™ Forged Pro Pistons SUM-SBC350000

Forged Pro pistons for SB Chevy 350, 4.000 bore, 1.560 C.H., 3.48 in. stroke, 5.7 in. rod, 5cc flat top. 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72cc.

Part Number: SUM-SBC350000

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D.S.S. SX-Series Forged Piston and Ring Kits K1833-4000

Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1833-4000

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 Pistons 1830-4000

Pistons, SX-Series, Forged, 3.00cc Flat, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1830-4000

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

Mahle LSX Combo PowerPak Piston and Ring Kits 930227000

Pistons, LSX Combo PowerPak Piston and Ring Kits, 4.000 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 6.0L, Set of 8

Part Number: MLE-930227000

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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 K8117-4000

Piston Set, 350 SBC SX Series +4cc Dome Top Piston Set. 4.000 bore

Part Number: DMS-K8117-4000

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 IC729KTD.STD

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

Part Number: UEM-IC729KTD-STD

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 K8123-4000

Piston Set, 383 SBC SX Series -16cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-K8123-4000

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 Pistons 1-2832-4000

Pistons, FX-Series, Forged 4032, 6.00cc Dome, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2832-4000

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