Andrews Low-Profile Lower Spring Collars - Xl 277160

Similar to stock 80-style parts, but lower profile for easier installation of higher lift camsRequired parts if you use 80-style valve guides that utilize "K" line stem sealsHeat-treated steelFor 74"...

Cams with .600 lift can easily be accommodated when used with high-lift springsMade from T-6 aluminum, collars are lightweight, hard-coated and very strongFor 74" and 80" motorsMade in the U.S.A.

Intended to work with stock springs and add approximately .060" spring travel with no other modifications on 66-84 74" and 80" motorsThe easy way to install B or #2 cams in stock headsMade in the U.S...

Bolt-in four-cam setMore horsepower and torqueStock springs OK to 7000 rpm, requires no headworkMade in the U.S.A.Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance...