CNC machined in-house at RK’s Texas facility and made from heat-treated 4130 Chromoly steel

There is no way of determining what size different types of fuel lines are compatible (rubber

The ESS E39 M5 G1 supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS

The Cut-Ring Head Gasket is an advanced sealing solution for S38B35

CAT Cams camshafts will enhance your S38 engine's performance

Mahle Motorsport PowerPak Piston Set, Mini Cooper S Prince 1.6L Bore Size:77.5 mm CNC machined in-house at RK’sThe MAHLE Motorsport PowerPak kit is their high volume shelf stock program developed for high performance enthusiasts. PowerPak Features: Forged piston for performance applications Fully machined crown Grafal anti Friction coating on skirts reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise. Phosphate coated to reduce micro welding and pin galling** Pin bores finished on CNC boring equipment Hand deburred High strength,