1977 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 )

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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

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Speed-Pro Hypereutectic Pistons H400CP40

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

Part Number: SLP-H400CP40

Not Yet Reviewed

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D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3166-4165

Piston Set, 363 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top inline Piston Set. 4.165 bore

Part Number: DMS-K3-3166-4165

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

JE Pistons 350/400 18 Degree Flat Top Pistons 243038

Pistons, Forged, Flat, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8

Part Number: JEP-243038-8

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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 )

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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 )

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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

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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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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: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 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: 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 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: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

KB Performance Claimer Pistons 9911HC.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-9911HC-040

Not Yet Reviewed

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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: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons 1443HC.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-1443HC-040

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 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: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 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: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 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: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

KB Performance Pistons KB159.040

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-KB159-040

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

JE Pistons 350/400 Small Block Dome Top Pistons 182032

Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8

Part Number: JEP-182032-8

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

JE Pistons 350/400 Small Block Dome Top Pistons 182028

Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8

Part Number: JEP-182028-8

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930208665

Piston and Ring Kit, Forged, 4.165 in. Bore, Chevy, Kit

Part Number: MLE-930208665

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Wiseco Pro Tru Street Pistons 5510A4

Pistons, Pro Tru Street, Forged Aluminum, Flat Top, 4.165 in. Bore, Rings, Chevrolet, 6.6L, Single Piston, Each

Part Number: WIS-5510A4

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 K2-3310-4165C

-22cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 2618

Part Number: DMS-K233104165C

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today