Pistons - 4.125 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Forged Pro Pistons SUM-BBC396125

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 )

Estimated Ship Date: Today

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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-1109274125-4

Pistons, Pro LS, 2618 Forged, 4.125 in. Bore, 6.125 in. Rod, 4.00 in. Stroke, -4cc Dome, 1.110 in. Compression Height, Chevrolet, LS, 7.0L, Set of 8

Part Number: SUM-1109274125-4

5.0 out of 5 stars ( 2 )

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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

Not Yet Reviewed

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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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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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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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D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3821-4125

Piston Set, 412C / Boss Stroker SBF 351C K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.125 bore

Part Number: DMS-K3-3821-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 197830025

Piston and Ring Kit, Powerpak Plus, Gas Ported, Dome, 4.125 in. Bore, 4.00 in. Stroke, Forged Aluminum, Chevy, Set of 8

Part Number: MLE-197830025

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

D.S.S. FX-Series Forged Piston and Ring Kits K1-2920-4125

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

Part Number: DMS-K1-2920-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

KB Performance Pistons KB361.030

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

Part Number: UEM-KB361-030

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2400-4125

Piston Set, 400 SBC 1-FX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-1-2400-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 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

Estimated Ship Date: Today

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KB Performance Pistons KB128.STD

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

Part Number: UEM-KB128-STD

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Mahle LSX Combo PowerPak Piston and Ring Kits 930227325

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-930227325

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

Wiseco RED Series Pistons RED0004XS

Pistons, Red Series, Forged Aluminum, 4.125 Bore, -6.60cc Flat, 3.875 in. Stroke, 5.850 Rod, Chevy, Small Block, Set of 8

Part Number: WIS-RED0004XS

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 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: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

JE Pistons 350/400 Small Block Dome Top Pistons 182029

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

Part Number: JEP-182029-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 5, 2025 if ordered today

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Estimated Ship Date: Aug 5, 2025 if ordered today

JE Pistons Extreme Duty 23 Degree Inverted Dome Top Pistons 242885

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

Part Number: JEP-242885-8

Not Yet Reviewed

Estimated Ship Date: Aug 5, 2025 if ordered today

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Estimated Ship Date: Aug 5, 2025 if ordered today

JE Pistons Big Block Closed Chamber Pistons 258206

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

Part Number: JEP-258206-8

Not Yet Reviewed

Estimated Ship Date: Today

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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: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2763-4125

k1-2763-4125-l8t-chevy-lt-direct-injection-1-fx-series-4032-alloy-series-forged-piston-set-4-125-bore

Part Number: DMS-K1-2763-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-3150-4125

Piston Set, 363 Stroker SBF 289 - 302 K2-FX Series -4cc Flat Top inline Piston Set. 4.125 bore

Part Number: DMS-K2-3150-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2460-4125

Piston Set, 420 SBC K2-FX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-K2-2460-4125

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today