Pistons

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

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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

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Set, 400 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6020-4165D

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: DMS-1-6000-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 455 Olds. 3-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-3-6000-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 481 Stroker Olds. 3-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-3-6010-4165

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-12cc Flat Top Oldsmobile Forged 2618

Part Number: DMS-3-6020-4165C

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 425 Olds. 3-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-3-6020-4165D

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Estimated Ship Date: Jan 16, 2026 if ordered today

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3-2744-4165-lt1-6-8-chevy-lt-direct-injection-3-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-3-2744-4165

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3-2754-4165-lt1-6-8-chevy-lt-direct-injection-3-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-3-2754-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 481 Stroker Olds. 2-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-2-6010-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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-12cc Flat Top Oldsmobile Forged 2618

Part Number: DMS-2-6020-4165C

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 400 Olds. 2-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-2-6020-4165D

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 455 Olds. 2-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-2-6000-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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2-2744-4165-lt1-6-8-chevy-lt-direct-injection-2-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-2-2744-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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2-2754-4165-lt1-6-8-chevy-lt-direct-injection-2-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-2-2754-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 481 Stroker Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6010-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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1-2754-4165-lt1-6-8-chevy-lt-direct-injection-1-fx-series-4032-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-1-2754-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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1-2744-4165-lt1-6-8-chevy-lt-direct-injection-1-fx-series-4032-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-1-2744-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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-12cc Flat Top Oldsmobile Forged 4032

Part Number: DMS-K160204165C

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Piston Set, 400 Olds. K1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-K160204165D

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Estimated Ship Date: Jan 16, 2026 if ordered today

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k2-2744-4165-lt1-6-8-chevy-lt-direct-injection-2-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-K2-2744-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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k2-2754-4165-lt1-6-8-chevy-lt-direct-injection-2-fx-series-2618-alloy-series-forged-piston-set-4-165-bore

Part Number: DMS-K2-2754-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 455 Olds. K1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-K1-6000-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Set, 481 Stroker Olds. K1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-K1-6010-4165

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Estimated Ship Date: Jan 16, 2026 if ordered today

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