http://tinyurl.com/lydgyg2

Competition Cams 800-16 Performance Series Solid/Mechanical Lifters With EDM Injection Technology, .842" Diameter With .012" Oil Hole

.842" diameter; 86g weight; 1.88" seat height and .012" oil hole

Includes precision-ground crown radius and surface finish to promote performance camshaft compatibility and high-rpm durability

Lightweight design and premium one-piece pushrod seat provide an extended rpm range

Features precision-machined and accurately located oil band to yield a consistent, properly metered oil flow and a .012 inch EDM oil hole in the lifter face to increase oil flow to the lifter face to camshaft lobe contact point

Designed for elevated, race application valve spring pressures