This is a brand new Set of 2 High Performance Cylinder Heads for a VW Type 4 & Porsche 914 1.8L . Heads comes with Stainless Steel 42mm Intake and a Stainless Steel 36mm Exhaust Valves, with Harden Keepers, Chromoly retainers, and Single high rev springs. They are ready to install. Made from an AMC 1.8L type 4 Casting with Breather using 8mm valve stems it is available with both single or dual high rev springs. The heads can also be opened to 103 to accommodate the larger bore sizes.

Engine: VW Type 4 / Porsche 914 1.8L

Springs: Single or Dual High rev

Valves: 42mm Intake by 36mm Exhaust

Casting: AMC 1.8L Round Port

Plug Size: 14mm (Replacement Bosch Number is W8CC or NGK is B5ES.)

Bore: 94, works with 94 & 96mm Kits

Bore: 103 works with 103, 104, & 105mm Kits

Please Pick Bore size, and Spring Upgrade when ordering Above