Isky Cams Endurance Plus Dual Valve Springs (Orange/Yellow/Brown) - 1.530" O.D., .730" I.D. 200410103 The COMP lifter bore grooving

The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft

BUTLER Built works hard to stay abreast of any and all seat related issues since pioneering the first custom-built aluminum seat structure for superspeedway racing

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Lenzing's natural fibers are moisture wicking making a perfect blend for a racer

Isky Cams Endurance Plus Dual Valve Springs (Orange/Yellow/Brown) - 1.530" O.D., .730" I.D. 200410103 The COMP lifter bore groovingTest 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