Please note: All camshafts must be installed by a professional engine builder, using the provided camshaft specification sheet. The builder is responsible for verifying piston-to-valve clearance and setting engine timing according to the cam card specifications, not the factory settings.
Maximize the performance potential of your BMW B58 engine with this complete Kelford Camshaft and Valve Spring Kit, now available from 5150 AutoSport. Designed specifically for the twin-turbo 3.0L B58 engine, this kit delivers precision-engineered valvetrain components built for serious power.
This all-in-one upgrade package includes your choice of Kelford’s Stage 2 or 3 camshaft set, matched with high-performance dual valve springs and titanium retainers for superior valvetrain control at high RPM.
Stage 2 | BMW B58 Gen1.5
Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85
285° / 280° - 10.30mm / 10.60mm Valve Lift
285°/280° stage 2 racing cams for professionally built BMW Gen 1.5 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in full open position when using an aftermarket throttle body.
Stage 3 | BMW B58 Gen1.5
Strip | Drag Race | Roll Race | Drift | E85 | Methanol
288° / 288° - 10.35mm / 10.80mm Valve Lift
288° Stage 3 drag racing cams for professionally built B58 Gen 1.5 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must use aftermarket high flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing.
Each camshaft set is crafted from Kelford’s premium billet cores and CNC-ground for consistency, performance, and durability. The included valve spring set ensures stability at elevated boost levels and extended RPM ranges—critical for upgraded turbo systems and forged internals.
Features:
- Designed specifically for BMW B58 Gen 1.5
- Choice of Stage 2 or 3 camshaft profiles depending on power goals
- Kelford dual valve springs and titanium retainers included
- Optimized for increased lift, duration, and airflow
- Dyno-proven results with proper tuning and supporting mods
