Stainless Steel Combing Mount - 9" Length new Reads "Gasoline vapors can explode

Reads "Gasoline vapors can explode check engine compartment for gasoline or vapors operate blower for 4 minutes run blower below cruising speed

It is model D-25

Not sure what this exact sail is

It is 6 3/4" Long x 3 7/8" wide x 1 1/4" deep (the lip area where it mounts)

3/4" width at the feet for line

Stainless Steel Combing Mount - 9" Length new Reads "Gasoline vapors can explodeStainless Steel Combing Mount 9" Length. The top is 6 1 2" total width x 6" length. There are a few previous drilled holes. The pattern is roughly 2 1 4" 2" apart. The larger back mounting is 5 1 2" width x 2 7 8" length. The base most mounting is 3 3 4" x 2". These do look homemade custom made.