Arm D, Rocker

The valve Rocker arm has a tough job, and eventually the case-hardened tip will wear through, and the valves will no longer open correctly for optimum performance.
If you are already replacing your camshaft, then we do recommend new rockers as a matter of course.
Many other items to help you achieve a perfect cylinder head overhaul can be found on the CMS web site, valve stem seals, cam chain tensioners, and much more.

Helps ensure valves open and shut smoothly.

Worn Rocker arms mean reduced performance and a noisy top end rattle.

Try this pro-workshop gasket seal. 08C70K0234M - for a more professional result!