Colt Cams M57 Reground Camshafts full force Main stud kit for aluminum

Main stud kit for aluminum block M57 diesels

We have designed this kit for easy installation

425 WHP / 650 lb-ft

Works well with stock transmissions

the CP4 is the fuel injection pump that is installed on the second generation USA BMW diesels with the N47 and N57 engines

Colt Cams M57 Reground Camshafts full force Main stud kit for aluminumBoth intake and exhaust camshafts are reground by Colt Cams for performance oriented M57 applications. Changes to the cams are approximately . 020" lift increase and 20 degree increase in open duration which is then multiplied by rocker ratio. Valve opening closing timings are also altered to better suit a performance application. We have 2 sets of floating cores to try and keep downtime to a minimum for time sensitive jobs. A fully refundable $500