Pistons - 4.165 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Wiseco Pro Tru Street Pistons PTS525A4

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: Tomorrow

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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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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D.S.S. SX-Series Forged Piston and Ring Kits K8120-4165

Piston Set, 400 SBC SX Series -5cc Flat Top Piston Set. 4.165 bore

Part Number: DMS-K8120-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6000-4165

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6000-4165

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-2468-4165

2-2468-4165-420-small-block-chevy-2-fx-series-4cc-dome-top-forged-piston-set-4-165-bore

Part Number: DMS-2-2468-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. SX-Series Forged Pistons 8147-4165

Piston Set, 420 SBC SX Series +4cc Dome Top Piston Set. 4.165 bore

Part Number: DMS-8147-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC763KTD.040

Piston and Ring Kit, Forged, Dome, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC763KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

ICON Premium Forged Pistons IC981.040

Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 4.250 in. Stroke, Dish, Pontiac, Set of 8

Part Number: UEM-IC981-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

ICON Premium Forged Pistons IC966.040

Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 3.875 in. Stroke, Flat Top, Chevy, Small Block, Set of 8

Part Number: UEM-IC966-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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 )

Estimated Ship Date: Tomorrow

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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: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 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: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930201165

Pistons, PowerPak Piston and Ring Kits, Stroked, 4.165 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930201165

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

ICON Premium Forged Pistons IC617.040

Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 3.400 in. Stroke, Dome, Ford, Small Block, Set of 8

Part Number: UEM-IC617-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC759KTD.040

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

Part Number: UEM-IC759KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC755KTD.040

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

Part Number: UEM-IC755KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC752KTD.040

Piston and Ring Kit, Forged, Dome, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC752KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC851KTD.040

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

Part Number: UEM-IC851KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8126-4165

Piston Set, 400 SBC SX Series -28cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-K8126-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-2940-4165

Pistons, FX-Series, Forged, 5.00cc Flat, 4.165 in. Bore, Chevy LS, Set of 8

Part Number: DMS-2-2940-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 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: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6003-4165

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-6003-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2303-4165

Piston Set, 400 SBC 1-FX Series -16cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-2303-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2400-4165

Piston Set, 400 SBC 1-FX Series -5cc Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-2400-4165

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today