-Salvage- Briggs animal, billet head
3.25” bore
-modified valve spacing 41/33 valves.
-head comes with titanium valves, ampco 45 seats, 966 springs with titanium retainers and widened rocker stand.
-comes with billet valve cover and intake with 40mm spigot (hose).
-comes with 4 bolt stainless exhaust flange
-uses aftermarket 3/8” shaft mounted rockers