Set of Porsche 914 2.0L AA Performance Cylinder Heads, 48x38 Stage 1 P&P Size:103-105 Biral Liners are a cast

Biral Liners are a cast iron sleeve with aluminum fins

"Snap lock" terminals or OEM style connectors keep wires tightly crimped to the connectors to exceed OEM standards

They are made from durable Urethane and each kit is supplied complete with mounting hardware

Blocked off rocker stud bosses

Piston Angle:Flat top

Set of Porsche 914 2.0L AA Performance Cylinder Heads, 48x38 Stage 1 P&P Size:103-105 Biral Liners are a castThis is a brand new (Set of 2) Stage 1 Port and Polished High Performance Cylinder Heads for a Porsche 9142. 0L Made from an AA 2. 0L 914 casting with breather using 8mm valvestems. Heads comes with stainless steel 48mm intake and a stainless steel 38mm exhaust valves, with harden keepers, chromoly retainers, and dual high rev springs. They areready to install. . The heads can also be opened to 103 to accommodate the larger bore sizes. Engine: Porsche