Features At A Glance: • CNC-machined 6061-T6 aluminum billet housing for added strength and reliability • Shafts are centerless-ground and burnished to a surface finish of 4 microns • Sealed ball bearing on the top of the shaft adds durability in a harsh 10,000 RPM racing environment • Adjustable racing advance curve is factory set at 20° @ 2000 RPM – a locked advance version is also available • Easy-to-replace Mallory aluminum/bronze gear is designed for use with specialized roller and hard face camshafts • An adjustable flange on Chevrolet versions allow this distributor to fit different deck or manifold heights, such as Dart, Rocketblock, Bow Tie, Rodeck, and Superblock