This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.437" outside diameter and .645" inside diameter are used to equalize the installed height of valve springs. Made from the...

Designed for '11-'14 and '15+ 5.0L Coyote and Boss engines, this beehive spring kit offers increased valve control at high RPM while allowing for higher valve lift from performance cams. Includes...

After compressing the VVT spring, this 5455 VVT spring limiter tool is used to hold the variable valve timing spring in place while installing our 5457 phaser limiter plug.

COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both...

Designed for Dodge 6.1L HEMI, this Beehive Spring Kit includes steel retainers, valve locks, seals and seats that require no machine work. Capable of handling 0.600" valve lift, this spring kit...