1 Piston and Liner Kit Detroit Diesel Series 60 12.7 Liter CNG Natural Gas. Developed and Manufactured by Omnitek Engineering Corp. A well known company performing Diesel-to-Natural Gas Engine Conversions. One Part # 23561706-K-NG. Detroit Diesel Series 60 12.7 Liter Natural Gas 11:1 Compression Includes. 2nd Ring, 3-piece O. Other natural gas engine components available, […]