Engines & Engine Parts

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...

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Scat Mallory Heavy Metal HM1.000 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 1.000 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM1-000X1200

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Connecting Rod Bearings SUM-171000

Rod Bearings, Direct Replacement, Standard Size, Bi Metal, Chevy, Small Block, Set of 8

Part Number: SUM-171000

4.84 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Scat Mallory Heavy Metal HM.750 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM-750X-800

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Scat Mallory Heavy Metal HM.750 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-750X1-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Scat Mallory Heavy Metal HM.750 X 1.000

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 1.000 in. Length, Each

Part Number: SCA-HM-750X1-000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Scat Mallory Heavy Metal HM1.250 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 1.250 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM1-250X1200

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Scat Mallory Heavy Metal HM1.125 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 1.125 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM1-125X1200

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Scat Mallory Heavy Metal HM1.000 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 1.000 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM1-000X-800

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Scat Mallory Heavy Metal HM1.125 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 1.125 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM1-125X-800

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Scat Mallory Heavy Metal HM1.250 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 1.250 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM1-250X-800

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Scat Mallory Heavy Metal HM.875 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 0.875 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM-875X-800

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Auto Metal Direct Valve Covers W-541

Valve Covers, Perimeter Bolt Mounting, Steel, Black, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: AMD-W-541

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Crankshaft Pulleys W-036

Crankshaft Pulley, V-belt Style, Triple Groove, Three Bolt Holes, 3 in. Tall, 7.625 in. Dia., 1.125 in. Bore, Steel, Black, Chevy, L4, L6, V6, V8,Each

Part Number: AMD-W-036

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Alternator Brackets W-417

Alternator Bracket, Chevy Big Block, Black, Set

Part Number: AMD-W-417

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Power Steering Brackets W-095

Power Steering Brackets, Saginaw P Series, Driver Side Lower Mount, Front and Rear, Steel, Black, Chevy, GMC, Set

Part Number: AMD-W-095

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Crankshaft Pulleys W-396

Crankshaft Pulleys, V-belt Style, 2-groove, Three Bolt Holes, Steel, Black, Chevrolet, Each

Part Number: AMD-W-396

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Alternator Brackets W-779

Alternator Brackets, Right Side, Upper and Lower Brackets, Steel, Black, Long Water Pump Style, Chevrolet, BBC, Kit

Part Number: AMD-W-779

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Valve Covers 335-1072-1PK

Valve Cover, Steel, Natural, Chrysler, Dodge, Plymouth, 318, 340, 360, Pair

Part Number: AMD-335-1072-1P

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Alternator Bracket Bolts W-417A

Alternator Bracket Bolt, Hex Head, 3/8-16 in. RH Thread Size, Steel, Black Oxide, Chevy, Each

Part Number: AMD-W-417A

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Valve Cover Breather Caps 337-1070-1

Valve Cover Breathers, Auto Metal Direct Valve Cover Breather Caps, Push-In, Steel, Dodge, Plymouth, Each

Part Number: AMD-337-1070-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Valve Cover Breather Caps 337-1068

Valve Cover Breather, Push-in, Round, Steel, Black, Mopar, 1.250 in. Port, Each

Part Number: AMD-337-1068

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Deep Groove Alternator Pulleys W-644

Alternator Pulley, Deep Groove, V-belt Style, 1-groove, Steel, Natural, Chevy, Each

Part Number: AMD-W-644

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Alternator Brackets W-570

Alternator Bracket, Upper, Passenger Side, Steel, Black, Long Water Pump, Chevrolet, Small Block, Each

Part Number: AMD-W-570

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Water Pump Pulleys W-394

Water Pump Pulleys, V-Belt, Single Groove, Deep, Steel, Black, Chevrolet, Big Block, 396/375HP, Each

Part Number: AMD-W-394

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Power Steering Brackets W-798

Power Steering Brackets, Saginaw P Series, Steel, Black, Chevrolet, Set

Part Number: AMD-W-798

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auto Metal Direct Crankshaft Pulleys W-037

Crankshaft Pulleys, V-belt Style, 3-groove, Three Bolt Holes, Steel, Black, Long Water Pump Style, Chevrolet, Each

Part Number: AMD-W-037

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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