Porsche PMO Carburetor Rebuild Kit - 40mm - 911 65-89 PM-O700-0 93042340107 such as X-ray inspection and

such as X-ray inspection and pressure testing to verify the quality of the castings

however most engine builders re-ring engines after only doing a visual inspection of cylinder bores rather than measuring the cylinders for ovality and taper

This brand has been engineered to provide superior performance over the original equipment

You'll need four per car (one for the driver seat and three for the passenger seat)

Porsche PMO Carburetor Rebuild Kit - 40mm - 911 65-89 PM-O700-0 93042340107 such as X-ray inspection andPorsche All Necessary Gaskets, Seals and O Rings for Rebuilding Your PMO Carburetors Includes Base Gaskets and Accelerator Pump Diaphragms.