ARP: Pro Series Head Stud Kit [C6 Corvette ZR1 LS9] magnacor The center bore is sized

The center bore is sized for the appropriate interference fit and no pinning or drilling is necessary for installation

Solid Rotors are simply one solid rotor with a solid center between to two separate faces

with parts manufactured in house by Injector Dynamics

The Track Spec wheels come with titanium hardware and center caps are optional for the true weight conscious racer

This kit includes 2 new carbon fiber covers which install quickly and easily

ARP: Pro Series Head Stud Kit [C6 Corvette ZR1 LS9] magnacor The center bore is sizedThis custom head stud kit is for the LS9 engine specifically, opposed to using the LS3 kit and trying to put extra washers in it. ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They are heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. With