Quick release system presses straight against the retainer to eliminate side loading the valve and keeperWorks on all motorcycle, ATV, UTV, and small engine cylinder headsBillet 6061 aluminum frame provides unmatched strength and stiffness and lower weightFully adjustable top and bottomAluminum lower adjuster will not damage or scratch valvesCompatible with Motion Pro 08-0248 adaptersIncludes universal fork style tipDurable blue anodized finish with laser engraved markingsSimple, fast, and easy to use