Maximize the performance potential of your BMW / Toyota 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 found in the Supra, M340i, M240i, and more, 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 / Toyota B58 Gen2
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 2 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 / Toyota B58 Gen2
Strip | Drag Race | Roll Race | Drift | E85 | Methanol
288° / 288° – 10.35mm / 10.80mm Valve Lift
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 / Toyota B58 Gen 2
- 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
- Compatible with upgraded turbos and standalone ECUs
- Dyno-proven results with proper tuning and supporting mods
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