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...

Individual Parts

Part Groups

Results 1 - 15 of 15

Dorman Expansion Plugs 555-054

Freeze Plugs, Steel, 2.375 in. Diameter, Ford, Mercury, Set of 10

Part Number: RNB-555-054

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Expansion Plugs 555-055

Freeze Plugs, Steel, 2.50 in. Diameter, Set of 10

Part Number: RNB-555-055

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Expansion Plugs 555-050

Freeze Plugs, Steel, 2.154 in. Diameter, Set of 10

Part Number: RNB-555-050

Not Yet Reviewed

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Dorman Expansion Plugs 555-053

Expansion Plugs, Steel, 2.250 in. Diameter, Set of 10

Part Number: RNB-555-053

Not Yet Reviewed

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Dorman Expansion Plugs 555-051

Expansion Plugs, Steel, Diameter 2.208 in., Various, Each

Part Number: RNB-555-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

ACDelco Timing Belt Tensioners 55505562

TENSIONER ASM-TMG CHAIN

Part Number: ADO-55505562

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Dorman Engine Expansion Plugs 555-057

Steel Cup Expansion Plug 2-5/8 In., Height 0.480

Part Number: RNB-555-057

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Dorman Expansion Plugs 555-059

Engine Expansion Plugs, Steel, AMC, 3.2L, Set of 10

Part Number: RNB-555-059

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Dorman Expansion Plugs 555-052

Steel Cup Expansion Plug 2-1/4 In., Height 0.565

Part Number: RNB-555-052

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

ACDelco Timing Chain Tensioners 55505385

Engine Timing Chain Tensioner Gasket

Part Number: ADO-55505385

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

ACDelco Timing Chain Guides 55505568

GUIDE ASM-TMG CHAIN

Part Number: ADO-55505568

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

INA Timing Chain Guides ZG0569