PAP specializes in high performance cylinder and engine modifications. From stock overhauls, to race winning hot rods, we have the knowledge and experience to equip your aircraft with the safest and most reliable engines/parts in the industry. We are the pioneers of cryogenic processing on aircraft engines to enhance performance and reliability. Our exclusive process has been used by numerous high performance engine shops worldwide, including high compression 15:1 engines running in Reno. We offer port and polish, balancing and blueprinting, precision valve jobs, ceramic coatings, REM ISF surface finishing, and a host of other custom options.