Pistons - 102.616mm Bore (mm) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Speed-Pro Forged Pistons L2379F40

Pistons, Forged, Flat, 4.040 in. Bore, Ford, Cleveland, Set of 8

Part Number: SLP-L2379F40

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Summit Racing™ Forged Pro Pistons SUM-SBC302040

Summit Racing™ Forged Pro Pistons SUM-SBC302040

Forged Pro pistons for SB Chevy 302, 4.040 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302040

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2832-4040

Pistons, FX-Series, Forged 4032, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2832-4040

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

ICON Premium Forged Pistons IC876.040

Pistons, Forged, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Cleveland, Set of 8

Part Number: UEM-IC876-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

KB Performance Pistons KB193.040

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB193-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

KB Performance Pistons KB312.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB312-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9975KTD.040

Piston and Ring Kits, FHR, Forged 4032 Aluminum, 4.040 in. Bore, 3.310 in. Stroke, Flat Top, Dodge, Small Block, LA, Set of 8

Part Number: UEM-IC9975KTD040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

KB Performance Claimer Pistons 9906HC.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9906HC-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9931KTM.040

Piston and Ring Kit, FHR Forged, Flat, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC9931KTM040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Mahle PowerPak Plus Piston and Ring Kits 197754140

Piston and Ring Kit, Powerpack Plus, Gas Ported, Dome, Forged Aluminum, 4.040 in. Bore, 3.500 in. Stroke, Chevy, Set of 8

Part Number: MLE-197754140

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 Claimer Piston and Ring Kits 9902HCKTM.040

Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9902HCKTM040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

ICON Premium Forged Pistons IC725.040

Pistons, Forged, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Small Block, Set of 8

Part Number: UEM-IC725-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

Summit Racing™ Forged Pro Pistons SUM-SBC383040

Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383040

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

KB Performance Claimer Pistons 9903HC.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9903HC-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Speed-Pro Forged Pistons for 1962-1965 CORVETTE - L2166AF40

Pistons, Forged, Dome with Two Valve Reliefs, 4.040 in. Bore, Chevy, Small Block, Set of 8

Part Number: SLP-L2166AF40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

KB Performance Pistons KB120.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: UEM-KB120-040

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

KB Performance Hyper Piston and Ring Kits KB106KTM.040

Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB106KTM-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB157KTM.040

Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB157KTM-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

KB Performance Pistons KB373.040

Pistons, Hypereutectic, Quench Head 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB373-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

KB Performance Pistons KB157.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, Chevy, 327, Set of 8

Part Number: UEM-KB157-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Summit Racing™ Forged Pro Pistons SUM-360040STR

Forged Pro pistons for Chrysler 360 stroker, 4.040 bore, 1.465 C.H., 4 in. stroke, 6.123 in. rod, 15cc Dish 10.9@60cc, 10.5@63cc, 10.3@65cc, 9.6@73cc

Part Number: SUM-360040STR

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ICON Premium Forged Piston and Ring Kits IC744KTD.040

Piston and Ring Kit, Forged, Flat, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC744KTD-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

KB Performance Pistons KB311.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB311-040

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3547.040

Piston - GM 5.7L (350) V8 FLATTOP COAT (040) W/P AFTERMARKET VERSION

Part Number: MAH-2243547040

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB116KTM.040

Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB116KTM-040

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today