Isky Cams BB Chevy Durathon Roller Lifters - Tall Body 23-FLX-W-XL Each kit includes two coil

Each kit includes two coil dependent mounting brackets (available in both natural aluminum and black) and mounting hardware for each coil

Top-Mount Easy-Install Design

Sliding Quick Click Tether

3/4-16 in Thread Housing

Isky Cams BB Chevy Durathon Roller Lifters - Tall Body 23-FLX-W-XL Each kit includes two coilProduct 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