ARP 256-4702 FORD Coyote 5.0L head stud kit ymm_23 Precision threads are rolled after

Precision threads are rolled after heat treatment to ensure accurate torque values and superior fatigue resistance

Specifications Socket Size(s) 9/16 hex Fits Following Engines: FORD 351-400M V8

Total length 25 mm

Due to more direct gas flow

ARP 256-4702 FORD Coyote 5.0L head stud kit ymm_23 Precision threads are rolled afterIt 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