Pistons - 105.791mm Bore (mm) - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Forged Pro Pistons SUM-SBC40040

Summit Racing™ Forged Pro Pistons SUM-SBC40040

Forged Pro pistons for SB Chevy 400, 4.165 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC40040

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Summit Racing™ Forged Pro Pistons SUM-SBC40040L

Forged Pro pistons for SB Chevy 400 Long Rod, 4.165 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-SBC40040L

5.0 out of 5 stars ( 1 )

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Wiseco Pro Tru Street Pistons PTS525A4

Piston and Ring Kit, Pro Tru Street, Forged Aluminum, Flat Top, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: WIS-PTS525A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Speed-Pro Hypereutectic Pistons H615CP40

Pistons, Hypereutectic, Dish, 4.165 in. Bore, Chevy, Set of 8

Part Number: SLP-H615CP40

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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KB Performance Pistons KB160.040

Pistons, Hypereutectic, Dome, 4.165 in. Bore, Chevy, Set of 8

Part Number: UEM-KB160-040

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Speed-Pro Hypereutectic Pistons H400CP40

Pistons, Hypereutectic, Flat, 4.165 in. Bore, Chevy, Set of 8

Part Number: SLP-H400CP40

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D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2468-4165

k2-2468-4165-420-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-165-bore

Part Number: DMS-K2-2468-4165

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

JE Pistons 350/400 Small Block Dome Top Pistons 182052

Pistons, Forged, Dome, 4.165 in. Bore, Chevy, Set of 8

Part Number: JEP-182052-8

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 Pro Tru Street Pistons PTS510A4

Pistons, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS510A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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KB Performance Claimer Piston and Ring Kits 9911HCKTM.040

Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9911HCKTM040

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

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Estimated Ship Date: Jul 29, 2025 if ordered today

KB Performance Pistons KB126.040

Pistons, Hypereutectic, Dish, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB126-040

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB160KTM.040

Piston and Ring Kit, Hypereutectic, Dome, 4.165 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB160KTM-040

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 KB419.STD

Piston, Aluminum, Dish, 4.165 in. Bore, Set of 8

Part Number: UEM-KB419-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 29, 2025 if ordered today

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Estimated Ship Date: Jul 29, 2025 if ordered today

KB Performance Claimer Pistons 9907HC.040

Pistons, Hypereutectic, Flat, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-040

Not Yet Reviewed

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JE Pistons Pistons 147550S

Pistons, 400 SBC DISH -16cc

Part Number: JEP-147550S

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

JE Pistons 350/400 Small Block Dome Top Pistons 182032

Pistons, Forged, Dome, 4.165 in. Bore, Chevy, Set of 8

Part Number: JEP-182032-8

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

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2463-4165

Piston Set, 420 SBC K2-FX Series -16cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-K2-2463-4165

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

ICON Premium Forged Pistons IC893.040

Pistons, Forged, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC893-040

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

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Estimated Ship Date: Jul 29, 2025 if ordered today

Howards Cams ProMax 2618 Race Pistons 841612306

Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.165 in. Bore, Chevy Small Block, Set of 8

Part Number: HRS-841612306

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

ICON Premium Forged Pistons IC756.040

Pistons, Forged, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC756-040

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

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Estimated Ship Date: Jul 29, 2025 if ordered today

D.S.S. SX-Series Forged Pistons 8183-4165

Piston Set, 434 SBC SX Series -16cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-8183-4165

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

Speed-Pro Hypereutectic Pistons H616CP40

Pistons, Hypereutectic, Flat, 4.165 in. Bore, Chevy, Set of 8

Part Number: SLP-H616CP40

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

KB Performance Hyper Piston and Ring Kits KB147KTM.040

Piston and Ring Kit, Hypereutectic, Dish, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB147KTM-040

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

Wiseco Professional Series Pistons 60030LB4

Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Left Side, Chevy, Small Block, Each

Part Number: WIS-60030LB4

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 Pistons KB194.040

Pistons, Hypereutectic, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB194-040

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today