Engines & Engine Parts

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HP010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Main Cap Girdle, 2-Piece Rear Seal, 1045 Billet Steel, with PRW Steel Studs, Spacers, and Nuts, Chevy, 5.7L/350 Only, Each

Part Number: PQX-9035000

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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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-65400927

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Estimated Ship Date: Monday 11/24/2025

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Piston Rings, Plasma-moly, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR6490-30

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Piston Rings, Plasma-moly, 4.270 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9190-25

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Estimated Ship Date: Monday 11/24/2025

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Piston Rings, Plasma-moly, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR91905

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Piston Rings, Steel, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CS0690-35

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351C, Set of 5

Part Number: KGB-MB5503XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2920-4000

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Pistons, Forged Dome, 4.125 in. Bore, Chevy, Set of 8

Part Number: WIS-K0029BS

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Pistons, Forged, Dome, 4-Valve Reliefs, 3.406 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Set of 4

Part Number: JEP-359154-4

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Set, 360 Mopar K1-FX Series -18cc Small Block Mopar Dish Top Piston Set. 4.030 bore

Part Number: DMS-K1-6353-4030

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Piston Set, Boss 347 Stroker SBF 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore

Part Number: DMS-K2-3171-4040

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.075 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1920-4075

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 10.00cc Dish, 4.065 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K3-2881-4065

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Piston Set, 455 FE K3-FX Series -5cc FE Flat Top Piston Set. 4.090 bore

Part Number: DMS-K3-5070-4090

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Piston Set, 4.6 Modular SX Series -10cc 2V - 4V Dish Top No Notch Piston Set. 3.552 bore

Part Number: DMS-K4802-3552

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Piston, SX-Series, Forged, Flat Top, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8130-4030

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7807

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00512

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400008

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Main Bearings, King HP-Series Main Bearings, Stock Size, Bi-Metal, Ford, Sold as a Set of 5

Part Number: KGB-MB5503HP

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN020

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Piston Wrist Pin, E52100 Tool Steel, .927 in. Diameter, .200 in. Wall Thickness, 146 Gram Weight. Each.

Part Number: WIS-S703

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025