The best polylock for high end race applications, this Hi-Tech polylock is designed for 1/2" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.
Hi-Tech Polylock for 1/2" Stud Ultra Pro Magnum Rockers
COMP Cams Poly Lock 1/2in Hi-Tech Single
4657-1 - Poly Lock, 1/2" Hi-Tech Single
Polylock 1/2" Stud Ultra Pro Rockers
Engine Rocker Arm Adjusting Screw
Poly Lock, 1/2" Hi-Tech Single
RockerArm Adjt Screw
None
