Job-shop quality machining tools available with carbide cutting tips;Valve spring seat tools are used for lowering spring seats for high-lift cams;Spring seat tools require arbor (sold separately);3/8in. pilot for 74in.- 80in. Big Twin .500-.600 lift cams

• Manley Valve Spring Seat Tool - 3/8in. Pilot 41853M

Manley Valve Spring Seat Tool - 3/8in. Pilot 41853MManley