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The COMP Cams 3/8" Magnum polylock is a taller locking nut option for 3/8" stud rockers, measuring 1.300" in height with a .612" diameter. Tapered at the locking points for added strength, this Magnum polylock is intended to provide increased locking force for moderate lift and spring pressure applications where a robust nut height and contact area are preferred.
COMP Cams Poly Lock 3/8in Magnum
