Engines & Engine Parts

Forged Pro pistons for BB Chevy 540, 4.500 bore, 1.120 C.H., 4.25 in. stroke, 6.535 in. rod, 40cc Dome open chamber only, 13.7:1@114cc, 13:1@119cc.

Part Number: SUM-BBC540STD40

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Estimated Ship Date: Monday 11/24/2025

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Piston Wrist Pins, TS Series, H13 Tool Steel, 0.990 in. Diameter, 2.930 in. Length, 0.200 in. Wall Thickness, Straight End, Each

Part Number: JEP-S0002

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Estimated Ship Date: Monday 11/24/2025

Piston Rings, Steel, 4.125 in. Bore, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CS9010-5

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Estimated Ship Date: Monday 11/24/2025

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RING-3.700 1.2mm,3mm STL TOP

Part Number: MAN-46771ST-8

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6613522A

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Connecting Rods, Forged 4340 Steel, Pro Sport H-Beam, 5.700 in. Length, ARP L19 Bolts, Chevrolet, Small Block Gen I, Set of 8

Part Number: SCA-6570021L19

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.200 in. Length, Ford, Small Block, 5.8L, Set of 8

Part Number: SCA-66200A

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 5.400 in. Length, Ford, Small Block, Set of 8

Part Number: SCA-65400912

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Pistons, AutoTec SBF, 4.03, 4, Flat Top 6.58, 0.975, SBF 351M/401, Sold as a set of 8.

Part Number: PIS-1000773

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Piston, Dome, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod Length, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy Big Block, Set of 8.

Part Number: PIS-1000307

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Pistons, Forged, 4.030 in. Bore, 4.000 in. Stroke, Flat Top, 6.200 in. Rod Length, 0.927 in. Pin Diameter, SBF, 351W 20 degree, Ford, Set of 8

Part Number: PIS-1000463

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Estimated Ship Date: Jan 9, 2026 if ordered today

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PISTON RINGS

Part Number: MAN-46772ST-8

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Pistons, Forged, Dome, 4-Valve Reliefs, 3.396 in. Bore, 3.386 in. Stroke, 6.004 in. Rod, 1.261 in. Compression, GM, Set of 4

Part Number: JEP-361352-4

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, CR Classic Race, Plasma-moly, 3.940 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thick, 6-Cyl., Set

Part Number: TSR-CR100565-6

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 22.00cc Dish, 4.060 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1924-4060

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Estimated Ship Date: Dec 11, 2025 if ordered today

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k2-2754-4075-lt1-6-4-chevy-lt-direct-injection-2-fx-series-2618-alloy-series-forged-piston-set-4-075-bore

Part Number: DMS-K2-2754-4075

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston Set, 351W / 5.8 SBF 351W K1-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-K1-3558-4030

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1820-4030

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 3.00cc Flat, 4.070 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1830-4070

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1833-4000

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston Set, 506 Viper/SRT K1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.030 bore

Part Number: DMS-K1-6480-4030

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston Set, 506 Viper/SRT K1-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K1-6480-4040

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.070 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2832-4070

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00512

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Estimated Ship Date: Monday 11/24/2025

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0052

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Estimated Ship Date: Monday 11/24/2025