Isky Cams Endurance Plus Dual Valve Springs (Orange/Yellow/Brown) - 1.530" O.D., .730" I.D. Duffle Bag Packaged as single unit: 4-cyl

Packaged as single unit: 4-cyl require 2 coils

providing built-in nitrous timing retard and special nitrous AFR targeting

Strap and Buckle Attachment

Keep your work bench clean and your towels within easy reach

Fits through factory bumper cut-outs

Isky Cams Endurance Plus Dual Valve Springs (Orange/Yellow/Brown) - 1.530" O.D., .730" I.D. Duffle Bag Packaged as single unit: 4-cylTest proven for 850 racing miles, Endurance Plus Springs featue a higher alloy outer spring "Plus" special processing for increased durability. Excellent for use in Sprint Cars, Super Modifieds, Super Late Models, Road Racing and applications up to 8400 RPM. 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