These billet adaptor inserts allow top feed fuel injectors to be converted to the appropriate length depending on the spacing between the manifold and fuel rail. These adaptors can convert all 14 mm injectors to either standard or long lengths.

These billet adaptor inserts allow top feed fuel injectors to be converted to the appropriate length depending on the spacing between the manifold and fuel rail. These adaptors can convert all 14 mm injectors to either standard or long lengths.