Isky Cams Solid Lifters - SB Chevy - Hardinable Iron 721005 2012-2013 GMC Sierra 1500 69

2012-2013 GMC Sierra 1500 69

6 AN Male to 1/2 in NPT Male

1-1/2 in Diameter Hole

Constantly adjusts fans speed to maintain the desired temperature

Isky Cams Solid Lifters - SB Chevy - Hardinable Iron 721005 2012-2013 GMC Sierra 1500 69Isky lifters deliver reliable performance for a variety of applications. 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 maintains a continuous engine