Description
Camshaft options
- 257-A: Stage 1 cams for engine with bolt on intake, exhaust and turbo upgrades. Engines producing around 550-750hp running a 58-68mm turbo.
- 257-B: Stage 2 racing cams for professionally built BMW B58 engines making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums.
- 257-C: Stage 3 drag racing cams for professionally built B58 Gen 1 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must have valve spring upgrade







