.874", BBC V8 396-572, 0.300" TALL O/C, BRONZE BUSHING Axle Bearings 12) 1/2″ x

12) 1/2″ x

Internal Step-up Ratio: 5

1974-1977 Ventura

crucial for handling high RPM and aggressive cam profiles

Tube adapters are installed and welded

.874", BBC V8 396-572, 0.300" TALL O/C, BRONZE BUSHING Axle Bearings 12) 1/2″ xBig Block Chevy Roller Lifters For Big Block Chevy Applications Triple Alloy Steel Billet Lifter Bodies machined on state of the art CNC equipment. Machined with one and done concept for ultimate relational accuracy of all part features. Superior 3D CNC programming removes sharp edges that scrape and damage lifter bores. Heat treated for maximum strength, hardness and straightness in ISO certified furnaces. Precision Ground Bodies for proper fitment