Pistons - 4.125 in. Bore (in.) - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Forged Pro Pistons SUM-SBC400STDL

Summit Racing™ Forged Pro Pistons SUM-SBC400STDL

Forged Pro pistons for SB Chevy 400 Long Rod, 4.125 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC400STDL

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-110927412523

Pistons, Pro LS, 2618 Forged, 4.125 in. Bore, 6.125 in. Rod, 4.00 in. Stroke, 23cc Dish, 1.110 in. Compression Height, Chevrolet, LS, 7.0L, Set of 8

Part Number: SUM-110927412523

Not Yet Reviewed

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KB Performance Claimer Pistons 9907HC.STD

Pistons, Hypereutectic, Flat, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-STD

5.0 out of 5 stars ( 1 )

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Mahle LSX Combo PowerPak Piston and Ring Kits 930226725

Pistons, LSX Combo PowerPak Piston and Ring Kits, 4.125 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 7.0L, Set of 8

Part Number: MLE-930226725

5.0 out of 5 stars ( 1 )

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Wiseco Pro Tru Street Pistons PTS539A45

Pistons, Pro Tru, Forged, Flat Top, 4.125 in. Bore, AMC, 360, Set of 8

Part Number: WIS-PTS539A45

4.5 out of 5 stars ( 2 )

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Mahle PowerPak Piston and Ring Kits 930249025

Piston and Ring Kit, Forged, 4.125 in. Bore, Ford, Kit

Part Number: MLE-930249025

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930244825

Piston and Ring Kit, Forged, 4.125 in. Bore, Ford, Kit

Part Number: MLE-930244825

Not Yet Reviewed

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KB Performance Pistons KB160.STD

Pistons, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Set of 8

Part Number: UEM-KB160-STD

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JE Pistons 400 Small Block 18 Degree Dome Pistons 213103

Pistons, Forged, Dome, 4.125 in. Bore, Chevy, Set of 8

Part Number: JEP-213103-8

Not Yet Reviewed

Estimated Ship Date: May 29, 2025 if ordered today

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Estimated Ship Date: May 29, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930221525

Piston and Ring Kit, Forged, 4.125 in. Bore, Chevy, Kit

Part Number: MLE-930221525

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

ICON Premium Forged Pistons IC965.STD

Pistons, Forged, Dome, 4.125 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC965-STD

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Diamond Pistons Race Series Pistons 21561-RS-8

LS2K - 2000HP Rated - 2618 Material - Inboard Design - Coated Skirts - Includes H13 Pins and AP Rings

Part Number: DPP-21561-RS-8

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Wiseco Pro Tru Street Pistons PTS548A3

Pistons, Pro Tru Street, Forged, Dome, 4.125 in. Bore, Rings, Chevrolet, 6.5L, Set of 8

Part Number: WIS-PTS548A3

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB160KTM.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB160KTM-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930200225

Piston and Ring Kit, PowerPak, Forged, 4.125 in. Bore, Chevy, Small Block, Kit

Part Number: MLE-930200225

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

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Estimated Ship Date: May 22, 2025 if ordered today

CP Pistons Bullet Series Pistons BF6170-STD-8

Pistons set of 8

Part Number: CNN-BF6170-STD-8

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Diamond Pistons Domestic Series Pistons 11160-8-H

350/400 23° 4.125B/1.062CD/Kit

Part Number: DPP-11160-8-H

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Mahle LSX Combo PowerPak Piston and Ring Kits 930226925

Piston and Ring Kit, Forged, Flat Top, 4.125 in. Bore, Chevy, LS, Kit

Part Number: MLE-930226925

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

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Estimated Ship Date: May 22, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930200725

Pistons, PowerPak Piston and Ring Kits, Stock/Stroked, 4.125 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930200725

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Wiseco Pro Tru Street Pistons PTS525AS

Pistons, Pro Tru Street, Forged, Flat Top, 4.125 in. Bore, Rings, Chevrolet, 6.6L, Set of 8

Part Number: WIS-PTS525AS

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

RaceTec AutoTec Forged Pistons 1000372

Pistons, Forged, 4.125 in. Bore, 3.400 in. Stroke, Flat Top, 5.400 in. Rod Length, 0.927 in. Pin Diameter, SBF 302 20 degree, Ford, Set of 8

Part Number: PIS-1000372

Not Yet Reviewed

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Wiseco Professional Series Pistons K0164X125

Piston, Professional Series, 4.125 in. Bore, Forged Aluminum, Ford, TFS Twisted Wedge Heads, Set of 8

Part Number: WIS-K0164X125

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

KB Performance Claimer Pistons 9911HC.STD

Pistons, Hypereutectic, Flat, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9911HC-STD

4.0 out of 5 stars ( 1 )

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Summit Racing™ Forged Pro Pistons SUM-BBC396125

Forged Pro pistons BB Chevy 396, 4.125 bore, 1.765 C.H., 3.76 in. stroke, 6.135 in. rod, 32cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.6@119cc

Part Number: SUM-BBC396125

5.0 out of 5 stars ( 1 )

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D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2940-4125

Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2940-4125

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today