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Forged Pro pistons for SB Chevy 400 Long Rod, 4.125 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-SBC400STDL

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Piston and Ring Kit, Forged, 4.125 in. Bore, Chevy, Kit

Part Number: MLE-930208225

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 2026 if ordered today

Piston and Ring Kit, Power Pak, 4.125 in. Bore, 3.750 in. Stroke, 6.00 in. Rod, +16.00cc Dish, Forged, Chevrolet, 400 CID, Kit

Part Number: MLE-930210925

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC 3-FX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-3-2400-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8

Part Number: JEP-182058-8

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today

Piston Set, 400 SBC K1-FX Series -16cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-K1-2403-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC SX Series -28cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-K8136-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC 2-FX Series -21cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-2-2405-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Pistons, AutoTec SBC, 4.125, 3.75, Flat Top 6, 0.927, SBC 23°4.125, Sold as a set of 8.

Part Number: PIS-1000190

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Estimated Ship Date: Jan 6, 2027 if ordered today

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Estimated Ship Date: Jan 6, 2027 if ordered today

Piston Set, 400 SBC SX Series -16cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-8133-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC SX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-8130-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.480 in. Stroke, 6.125 in. Rod, 1.125 in. Compression, Chevy, Each

Part Number: JEP-310182S

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Pistons, AutoTec SBC, 4.125, 3.75, Inverted Dome/Milled Dish 6, 0.927, SBC 23°4.125, Sold as a set of 8.

Part Number: PIS-1000207

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Estimated Ship Date: Jan 6, 2027 if ordered today

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Estimated Ship Date: Jan 6, 2027 if ordered today

Pistons, RaceTec SBC, 4.125, 3.75, Inverted Dome/Dish 6, 0.927, SBC 23°, Sold as a set of 8.

Part Number: PIS-1001072

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Estimated Ship Date: Jan 6, 2027 if ordered today

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Piston Set, 400 SBC SX Series -28cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-8136-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC SX Series -21cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-8135-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston, 23 Degree, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Right, Each

Part Number: JEP-181938R

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Estimated Ship Date: Nov 11, 2026 if ordered today

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-28cc Dish Top SBC 23 Degree Forged 2618

Part Number: DMS-K3-2406-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC 2-FX Series -16cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-2-2403-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC SX Series +4cc Dome Top Piston Set. 4.125 bore

Part Number: DMS-8137-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 2026 if ordered today

Piston Set, 400 SBC 2-FX Series -5cc Flat Top Piston Set. 4.125 bore

Part Number: DMS-2-2400-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 2026 if ordered today

Piston Set, 400 SBC K3-FX Series -21cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-K3-2405-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Set, 400 SBC K2-FX Series -16cc Dish Top Piston Set. 4.125 bore

Part Number: DMS-K2-2403-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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3-2408-4125-400-small-block-chevy-3-fx-series-4cc-dome-top-forged-piston-set-4-125-bore

Part Number: DMS-3-2408-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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1-2408-4125-400-small-block-chevy-1-fx-series-4cc-dome-top-forged-piston-set-4-125-bore

Part Number: DMS-1-2408-4125

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Estimated Ship Date: Nov 9, 2026 if ordered today