Base Engine Kit with 3-1/2" Overbore

Specifications: 3.500" overbore stepped head piston Final Application: Fits: Jubilee, NAA, 501, 600, 601, 700, 701, (2000 4-cyl.) series w / 134 C.I. gas, LP (1953-64) Replacement Number: 309519, 309553, 309976, CPN6008H, CPN6055A, EAA6207A Notes: Governor seal not included.