Pistons - 4.125 in. Bore (in.) - 4.000 in. Stroke - 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-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: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Forged Pro Pistons SUM-SBC427STD

Forged Pro Pistons for SB Chevy 427, 4.125 bore, 1.000 C.H. , 4 in. stroke, 6 in. rod, 18cc volume, 11.2@58cc, 10.5@64cc, 10.25@67cc, 9.75@72cc

Part Number: SUM-SBC427STD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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Diamond Pistons Race Series Pistons 21544-RS-8

Diamond Pistons Race Series Pistons 21544-RS-8

Pistons, Dish, +15 cc, LS2K Series, Forged Aluminum, 4.125 in. Bore, Chevy, LSX, Set of 8

Part Number: DPP-21544-RS-8

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

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: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Diamond Pistons Competition Series Pistons 11585-R1-8

Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-11585-R1-8

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 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: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2783-4125

k3-2783-4125-lt1-6-2-stroker-chevy-lt-direct-injection-3-fx-series-2618-alloy-series-forged-piston-set-4-125-bore

Part Number: DMS-K3-2783-4125

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930221625

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

Part Number: MLE-930221625

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 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: Tomorrow

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D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2786-4125

k1-2786-4125-lt1-6-2-stroker-chevy-lt-direct-injection-1-fx-series-4032-alloy-series-forged-piston-set-4-125-bore

Part Number: DMS-K1-2786-4125

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3300-4125C

-4cc Flat Top SBF 20 Degree Inline Forged 4032

Part Number: DMS-K133004125C

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 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: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 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: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Wiseco Professional Series Piston Kits K452X125

Pistons, Gas Nitrided Rings, Forged Dish, 4.125 in. Bore, Chevy, Kit

Part Number: WIS-K452X125

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-3360-4125

Piston Set, 427W /5.8 Stroker SBF 351W K2-FX Series -22cc Dish Top Inline / Twisted Wedge Piston Set. 4.125 bore

Part Number: DMS-K2-3360-4125

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 930249625

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

Part Number: MLE-930249625

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930244425

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

Part Number: MLE-930244425

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB361KTM.STD

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

Part Number: UEM-KB361KTM-STD

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

D.S.S. FX-Series Forged Piston and Ring Kits with XR Wrist Pins K3-2925-4125

Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 29.00cc Dish, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K3-2925-4125

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3350-4125

Piston Set, 427W /5.8 Stroker SBF 351W K3-FX Series -4cc Flat Top inline Piston Set. 4.125 bore

Part Number: DMS-K3-3350-4125

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930211425

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

Part Number: MLE-930211425

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Mahle LSX Combo PowerPak Piston and Ring Kits 930229725

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

Part Number: MLE-930229725

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930201125

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

Part Number: MLE-930201125

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

D.S.S. FX-Series Forged Piston and Ring Kits K1-2922-4125

Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2922-4125

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 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: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today