The Story
These tappets are 1.3″ compared to many 4bt tappets which are 1.10″. The 1.3″ tappet will allow the pressures between the cam and the tappet to be spread over a wider surface area.
Description
These tappets are 1.3″ compared to many 4bt tappets which are 1.10″. The 1.3″ tappet will allow the pressures between the cam and the tappet to be spread over a wider surface area.
















