The SuperTech High-Performance Valve Kit for BMW B58 Engines is ideal for those seeking maximized power and reliability in their BMW/Toyota inline-six engine

1988-1992     E34     518i

2018-Present     G29     Z4 sDrive20i / sDrive30i

BMW Fitments:

and nonlinear operating range

BMW S68 Connecting Rod Set | Manley H-Beam Connecting Rods F34 GT The SuperTech High-Performance Valve KitManley H Beam BMW S68 Connecting Rod Sets, made from high strength 4340 steel forgings, are engineered specifically for the BMW S68B44 engine. Known for lightweight construction and exceptional durability, this rod set offers superior performance under high stress conditions. Designed to endure up to 8500 RPM and handle forced induction builds generating up to 1200 HP, these rods are an essential upgrade for demanding applications, including high