Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race...

7/16 Girdle Adjusting Nut/CB INT With an overall length of 2.515", this stud girdle adjusting nut fits intake valves on Big Block Chevrolet.

7/16 Stud Girdle Adjusting Nut-1 Available individually under 4511-1, in a set of 16 under 4511-16

Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race...

COMP Cams' part number 4035-B, STUD GIRDLE BAR, BBC RHS HEAD

COMP Cams' part number 4021-B, STUD GIRDLE BAR, CB (1)

COMP Cams Stud Girdle Bar CS (1)

COMP Cams Stud Girdle Bar CS (1) 60/40

COMP Cams Stud Girdle Bar CS Gold (1)

Made of 6061-T6 aluminum for light weight and red anodized for durability

COMP Cams Stud Girdle Bar FF (1)