Product Description
ARP Head Studs Custom Age 625+ - 4B11 Evo X
Fits these Applications:
2008-2015 Mitsubishi Lancer Evolution X
Description:
All ARP Custom Age 625+ studs are centerless ground, heat treated prior to thread rolling and machining, and are nominally rated at 270,000 psi. These fasteners deliver a 55% increase in tensile strength over the OEM Torque to Yield (TTY) head bolts.
Includes:
(10) Custom Age 625+ studs
(10) Parallel Ground Washers
(10) 8740 Chrome Moly Steel 12 pt Nuts
(1) 1/2 oz. Arp Ultra-Torque Assembly Lube