Calculators

Valve Lift & Geometry Calculator Calculate Gross and Net Valve Lift based on cam lobe specs and rocker arm ratios. ...

Hours of Service Calculator Track your 11, 14, and 70-hour clocks to ensure FMCSA compliance. Current Shift Shift Start Time ...

Drag Race Time Converter Convert ET and Trap Speed between 1/8 and 1/4 mile tracks accurately. Conversion Settings Conversion Direction ...

Shock Length & Stroke Calculator Calculate required shock dimensions based on suspension geometry and travel goals. Suspension Geometry Static Ride ...

Compression Ratio to Bar Calculator Calculate engine cranking pressure in Bar based on compression ratio, altitude, and engine health. Engine ...