Girdle Bolts

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Hardware
Explore our full range of high-performance engine hardware, including head stud kits,...

Hardware
Valvetrain Components
Upgrading your valvetrain components is essential when building a performance engine to...

Valvetrain Components
Camshafts
Camshafts play a vital role in controlling the timing and duration of...

Camshafts
Head Gaskets
Upgrading to a performance head gasket is a must for enthusiasts who want...

Head Gaskets

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Cylinder Sleeves
Cylinder sleeves provide a durable, wear-resistant surface inside the engine block, restoring...

Cylinder Sleeves
Pistons
Upgrading your OEM pistons to forged aftermarket pistons ensure greater strength, reliability,...

Pistons
Connecting Rods
5150 AutoSport offers a wide range of connecting rods to suit every...

Connecting Rods
High Performance Rod Bearings
Upgrading rod bearings is a crucial step for high-performance BMW engines. The...

High Performance Rod Bearings

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High Performance Main Bearings
5150 High Performance Coated Main Bearing Sets are made for the demands of...

High Performance Main Bearings
Crankshafts

Crankshafts
5150 AutoSport Stroker Kits
5150 Stroker Kits provide everything you need to increase displacement and torque...

5150 AutoSport Stroker Kits
Turbo Build Kits
The 5150 AutoSport Pro-Series Turbo Build Kits are pre-assembled kits containing an all-inclusive arsenal...

Turbo Build Kits

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