Valve Lift Calculator

Calculate valve lift from cam specifications and rocker ratio

Lift Specifications

Net Valve Lift

0.460"
Street Performance - good flow potential

Lift Details

Gross Valve Lift0.480"
Lift/Stem Ratio0.267

Recommendations

Spring Requirement

Single spring may work

Retainer Clearance

Standard clearances OK

Formula

Valve Lift = (Cam Lift × Rocker Ratio) - Lash