Isky Cams BB Chevy Durathon Roller Lifters - Tall Body HASZ19DK Die-cast aluminum pumps for performance

Die-cast aluminum pumps for performance SBC engines feature heat-treated levers

a fresh Italian design engineered in partnership with Italian helmet manufacturer Stilo

The universal fan clutch has a 3/4" pilot hole

All Are #10-32 UNF Thread

625 in OD Rod End

Isky Cams BB Chevy Durathon Roller Lifters - Tall Body HASZ19DK Die-cast aluminum pumps for performanceProduct Description: Lifter Durathon Mechanical Roller Vertical Link Bar Big 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 train components, Isky