Isky Cams Valve Spring Retainer - Dual Spring - Chromoly - (Set of 12) Carrillo Rods The Pro tubs are 28"

The Pro tubs are 28" X 45" and the intermediate wells are 28" wide and 40" in length

Sierra 1500 Classic 2007

For Holley 4500HP Dominators

These machined installation hubs are CNC machined from 6061 billet aluminum

Provides protection for ring gears

Isky Cams Valve Spring Retainer - Dual Spring - Chromoly - (Set of 12) Carrillo Rods The Pro tubs are 28"Product Description: Valve Spring Retainer 1. 000 in 0. 740 in OD Steps Dual Spring Chromoly Set of 12 As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train components, Isky