Filters

Selected Filters

Filter Results by Vehicle

Loading...

Engines & Components

Engines & Engine Parts

Availability

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...

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.

Individual Parts
Part Groups

Results 1 - 25 of 2000 +

Scat Mallory Heavy Metal HM1.000 X 1.200

Scat Mallory Heavy Metal HM1.000 X 1.200

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: Today

...Loading

Estimated Ship Date: Today

Scat Mallory Heavy Metal HM.750 X 1.200

Scat Mallory Heavy Metal HM.750 X 1.200

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: Today

...Loading

Estimated Ship Date: Today

Scat Mallory Heavy Metal HM.750 X .800

Scat Mallory Heavy Metal HM.750 X .800

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: Today

...Loading

Estimated Ship Date: Today

Scat Mallory Heavy Metal HM.625 X 1.200

Scat Mallory Heavy Metal HM.625 X 1.200

Scat Mallory Heavy Metal HM.625 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 0.625 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-625X1-200

Not Yet Reviewed

...Loading

Scat Mallory Heavy Metal HM.750 X 1.000

Scat Mallory Heavy Metal HM.750 X 1.000

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: Today

...Loading

Estimated Ship Date: Today

Scat Mallory Heavy Metal HM.500 X 1.200

Scat Mallory Heavy Metal HM.500 X 1.200

Scat Mallory Heavy Metal HM.500 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 0.500 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-500X1-200

Not Yet Reviewed

...Loading

Scat Mallory Heavy Metal HM1.000 X 1.000

Scat Mallory Heavy Metal HM1.000 X 1.000

Scat Mallory Heavy Metal HM1.000 X 1.000

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

Part Number: SCA-HM1-000X1000

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

...Loading

Estimated Ship Date: May 12, 2026 if ordered today

Scat Mallory Heavy Metal HM1.250 X 1.200

Scat Mallory Heavy Metal HM1.250 X 1.200

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: Today

...Loading

Estimated Ship Date: Today

Scat Mallory Heavy Metal HM.875 X 1.000

Scat Mallory Heavy Metal HM.875 X 1.000

Scat Mallory Heavy Metal HM.875 X 1.000

Crankshaft Mallory Metal, Heavy Metal, Round, 0.875 in. Diameter, 1.000 in. Length, Each

Part Number: SCA-HM-875X1-000

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Scat Mallory Heavy Metal HM1.125 X 1.200

Scat Mallory Heavy Metal HM1.125 X 1.200

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 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Scat Mallory Heavy Metal HM1.000 X .800

Scat Mallory Heavy Metal HM1.000 X .800

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 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Scat Mallory Heavy Metal HM.875 X .800

Scat Mallory Heavy Metal HM.875 X .800

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 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Scat Mallory Heavy Metal HM1.125 X .800

Scat Mallory Heavy Metal HM1.125 X .800

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 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Scat Mallory Heavy Metal HM1.250 X .800

Scat Mallory Heavy Metal HM1.250 X .800

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 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Scat Mallory Heavy Metal HM.875 X 1.200

Scat Mallory Heavy Metal HM.875 X 1.200

Scat Mallory Heavy Metal HM.875 X 1.200

Crankshaft Mallory Metal, Heavy Metal, Round, 0.875 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-875X1-200

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Crower Crankshaft Mallory Metal 95098

Crower Crankshaft Mallory Metal 95098

Crower Crankshaft Mallory Metal 95098

WEIGHT RING FOR CRANKSHAFT (STANDARD)

Part Number: CRO-95098

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

...Loading

Estimated Ship Date: May 29, 2026 if ordered today

Crower Crankshaft Mallory Metal 95099

Crower Crankshaft Mallory Metal 95099

Crower Crankshaft Mallory Metal 95099

WEIGHT RING FOR CRANKSHAFT (PROFILED)

Part Number: CRO-95099

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

...Loading

Estimated Ship Date: May 29, 2026 if ordered today

Crower Crankshaft Mallory Metal 95091

Crower Crankshaft Mallory Metal 95091

Crower Crankshaft Mallory Metal 95091

GUN DRILL PLUG 1" FOR CRANKSHAFT

Part Number: CRO-95091

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

...Loading

Estimated Ship Date: May 29, 2026 if ordered today

Auto Metal Direct Valve Covers W-541

Auto Metal Direct Valve Covers W-541

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: Today

...Loading

Estimated Ship Date: Today

Auto Metal Direct Crankshaft Pulleys W-036

Auto Metal Direct Crankshaft Pulleys W-036

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: Today

...Loading

Estimated Ship Date: Today

Auto Metal Direct Alternator Brackets W-417

Auto Metal Direct Alternator Brackets W-417

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: Today

...Loading

Estimated Ship Date: Today

Auto Metal Direct Power Steering Brackets W-095

Auto Metal Direct Power Steering Brackets W-095

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: Today

...Loading

Estimated Ship Date: Today

Auto Metal Direct Alternator Brackets W-779

Auto Metal Direct Alternator Brackets W-779

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: Today

...Loading

Estimated Ship Date: Today

Auto Metal Direct Valve Cover Breather Caps 337-1068

Auto Metal Direct Valve Cover Breather Caps 337-1068

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: Today

...Loading

Estimated Ship Date: Today

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

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

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: Today

...Loading

Estimated Ship Date: Today