The best polylock for high end race applications, this Hi-Tech polylock is designed for 7/16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.
Hi-Tech Polylock for 7/16" Stud Ultra Pro Magnum Rockers
Hi-Tech Polylock 7/16" Ultra Pro Rockers
Engine Rocker Arm Adjusting Screw
4600-1 - Poly Lock, 7/16 Hi-Tech
COMP Cams Poly Lock 7/16 Hi-Tech
Poly Lock, 7/16 Hi-Tech
RockerArm Adjt Screw
None
