Bauer Lister Petter Engine powered air compressors model TR20-DLD
Rubber gasket on top measures 2 7/8" OD
This will be the Kohler-25 engine
This gasket set will only work on a LPA2 engine only
parts manuals of your equipment is very helpful
751-40184 Head/Rocker bolt, used in theLister Petter LPA, LPW, LPWS, LPWG, and LPWT 2/3/4 model engines. TL Bauer Lister Petter Engine powered751 40184 cylinder head rocker bolt, Used on Lister Petter LPA, LPW, LPW S, LPWG and LPWT engines. This item is number 21 on the Lister Petter drawing. The LPA, LPWG LPW S T engines were used in numerous pieces of equipment, Moffett M5000 Forklift, Ditch Witch 400SX plow, Ditch Witch 410SX plow, Ditch Witch JT 920L directional drill, Ditch Witch JT 820L directional drill, Ditch Witch FP35 Fluid Pac, Onan gas generators model GNAA, GNAB, GNAC, Elliott