Piston Vise Protractors

"Determine The Valve Angle And Transfer It
To The Piston Vise For Precise Setups"

With The 18 Degree, 21 Degree And Angle Milled Heads On The Market Today, It Is Next To Impossible To Determine The Exact Valve Angle In Relation To The Piston. This Setup Is Very Important Because If You Hit A Valve, It Is Much Better To Hit The Piston Flat Instead Of At An Angle.

These Two Protractors Make The Job A Snap And They Are Universal.

Can Also Be Used For Checking The Valve Angle Of Heads Even If You Are Not Flycutting The Pistons.