SBM Cam 280 duration, 525 lift, Lifters, Valve Springs & Keepers, updated with more pictures.

oldkimmer said

Hi Cliff, do the valve guides have to be shortened? Thanks. Kim

Click to expand...

I don’t believe they were shortened, I had them machined down for seals as opposed to the original umbrella seals.

Cliff Ramsdell


Before machining, stock guides



After.