MAXBOOST k64spec headgaskets PIRAMIDSSYSTEM M50 S52 .

orings PIRAMIDS 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 86.00

For M50 / S52 engines (vanos and singlevanos). Welcome!

block machining required!

You must select the correct size for your CYLINDER BUSHING and then machine the block.