CSF Compact Dual-Pass Oil Cooler — Porsche 911 / 930 (1965–1989) group-fuel-intake RF suppression: Manages radio-frequency interference

RF suppression: Manages radio-frequency interference for cleaner operation

Washburn's Metal builds the Power Pedal in the USA to fix a known factory weak point

It includes the critical shifter mounting area and the factory-correct shift rod hanger still intact

Fits short-spline IRS axles

A Varga-style replacement master cylinder that restores reliable braking on early single-circuit Bus systems

CSF Compact Dual-Pass Oil Cooler — Porsche 911 / 930 (1965–1989) group-fuel-intake RF suppression: Manages radio-frequency interferenceCSF compact dual pass universal oil cooler for air cooled 911 930 engines 1965 1989. Fits Porsche 911, Porsche 930. CSF part 8119.