MAXBOOST k64spec headgaskets cutrings m50 m52
k64spec headgaskets + cutrings system.
orings/cutrings are the best method for the largest boost.
Forged full water and oil canals.
We guarantee boost for over 2 bars.
For use only with ARP M10 / M11 pins.
Set Under each bore type: 84mm 84.5mm 85mm 85.5mm
For M50 / M52 engines (vanos and singlevanos). Welcome!