Isky Cams SB Chevy R/Z Roller Lifters - .180" Offset 29004BK 635 in OD Steps

635 in OD Steps

and 1967 to 1973 Mercury Cougar

1991-1995 GMC K3500

a must for high spring pressure applications

1966-1972 Fargo W200 Pickup

Isky Cams SB Chevy R/Z Roller Lifters - .180" Offset 29004BK 635 in OD StepsProduct Description: Lifter Red Zone Mechanical Roller 0. 180 in Offset Vertical Link Bar Tall Body Small Block Chevy Set of 16 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