The best polylock for high end race applications, this Hi-Tech polylock is designed for 3/8" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.
Hi-Tech Polylock for 3/8" Stud Ultra Pro Magnum Rockers
Polylock 3/8" Stud Ultra Pro Rockers
Engine Rocker Arm Adjusting Screw
4601-1 - Poly Lock, 3/8 Hi-Tech
COMP Cams Poly Lock 3/8 Hi-Tech
Poly Lock, 3/8 Hi-Tech
RockerArm Adjt Screw
None
