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

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 )

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

JE Pistons 400 Small Block 18 Degree Dome Pistons 213103

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: Jun 9, 2025 if ordered today

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Estimated Ship Date: Jun 9, 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: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

JE Pistons Extreme Duty 23 Degree Inverted Dome Top Pistons 232516

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

Part Number: JEP-232516-8

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 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: Jun 9, 2025 if ordered today

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Estimated Ship Date: Jun 9, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1923-4125

Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1923-4125

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

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Estimated Ship Date: Jun 30, 2025 if ordered today

JE Pistons 350/400 Small Block Dome Top Pistons 182053

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

Part Number: JEP-182053-8

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

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Estimated Ship Date: Jun 30, 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 )

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

D.S.S. SX-Series Forged Piston and Ring Kits K1920-4125

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

Part Number: DMS-K1920-4125

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

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Estimated Ship Date: Jun 30, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB182KTD.STD

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

Part Number: UEM-KB182KTD-STD

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Diamond Pistons Race Series Pistons 21557-RS-8

Pistons, Dish, 12 Degree LS2K Series, Forged Aluminum, 4.125 in. Bore, -20.00cc Head Volume, Chevy, LSX, Set of 8

Part Number: DPP-21557-RS-8

Not Yet Reviewed

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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 )

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

ICON Premium Forged Piston and Ring Kits IC849KTD.STD

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

Part Number: UEM-IC849KTD-STD

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

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Estimated Ship Date: Jul 7, 2025 if ordered today

Diamond Pistons Competition Series Pistons 11556-R1

Comp Series L92 DS 4.125B/4.000S/6.125R/

Part Number: DPP-11556-R1

Not Yet Reviewed

Estimated Ship Date: Jul 11, 2025 if ordered today

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Estimated Ship Date: Jul 11, 2025 if ordered today

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 )

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

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 )

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

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 )

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

Mahle PowerPak Plus Piston and Ring Kits 930245225

Pistons, PowerPak Plus, Forged 2618 Aluminum, 4.125 in. Bore, Flat Top, Rings Included, Ford, Small Block, Set of 8

Part Number: MLE-930245225

Not Yet Reviewed

Estimated Ship Date: Jul 2, 2025 if ordered today

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Estimated Ship Date: Jul 2, 2025 if ordered today

KB Performance Pistons KB160.STD

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

Part Number: UEM-KB160-STD

Not Yet Reviewed

Estimated Ship Date: Monday 6/9/2025

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Estimated Ship Date: Monday 6/9/2025

Speed-Pro Hypereutectic Pistons H615CP

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

Part Number: SLP-H615CP

Not Yet Reviewed

Estimated Ship Date: Jun 26, 2025 if ordered today

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Estimated Ship Date: Jun 26, 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: Jul 2, 2025 if ordered today

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Estimated Ship Date: Jul 2, 2025 if ordered today