270/268 | Stage 1 Gen 1.5 BMW B58
Designed to suit B58 gen 1.5 engine with bolt on intake, exhaust and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo.
285/280 | Stage 2 Gen 1.5 BMW B58
Stage 2 racing cams for professionally built BMW Gen 1.5 B58 engines making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums.
288/288 | Stage 3 Gen 1.5 BMW B58
288° Stage 3 drag racing cams for professionally built B58 Gen 1.5 engines making 1200hp+. Turbo sizing 72mm+ on high boost.
BMW B58 Gen1 | Valve Springs with Retainers
90lb seat pressure at 36.5mm installed height. 193lb at 11.0mm valve lift. Spring coil bind height at 23.6mm.
BMW B58/S58 Valve Springs
designed for S58 & B58 performance engines. Specifically engineered to match our Stage 1, Stage 2 and Stage 3 Camshafts
KVS58-BTX | B58 / S58 Extreme
For high boost, high horsepower builds. Engines making over 1000HP. Specifically designed for Kelford Stage 2 & Stage 3
KVS58-BT | B58 Valve Springs
This kit was specifically engineered to match our Stage 1/2/3 cams for ultimate quality, performance and reliability.








