ARP 145-4012 Head Stud Kit for Mopar Koffel BTS ymm_40 When the X-connection valve is

When the X-connection valve is open

TDesigned to make the X4 M / X4 M Competition stand out from the crowd even more

Aluminum Hub Drill Bit Size (actual dim

The system is designed to provide optimized exhaust gas flow and enhanced performance characteristics

Specifications Socket Size(s) 7/16 hex

ARP 145-4012 Head Stud Kit for Mopar Koffel BTS ymm_40 When the X-connection valve isIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat