Engines & Components
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Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
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Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: AAF-ALL26125
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each
Part Number: SUM-01-8576
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: AAF-ALL26126
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Each
Part Number: MOR-38315
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: CTR-21-850
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Crankshaft Seals, Left Side, Right Side, Yamaha, Pair
Part Number: HRI-K018
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each
Part Number: SUM-01-8571
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit
Part Number: RNB-635-518
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251K30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251K40
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 96.012mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: SLP-E-937K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251K60
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-233K30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-233K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set
Part Number: SLP-E-979K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-243K30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-553K
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 6-Cylinder, Set
Part Number: SLP-E-925K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 3.910 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-178K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Piston Ring Sets, Moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set
Part Number: SLP-E-997K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-296K
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-243K
Estimated Ship Date: Today
Estimated Ship Date: Today
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