This is a brand new Set of 2 High Performance Cylinder Heads for a VW Type 1 2 or 3 Dual Port. Heads comes with Stainless Steel 40mm Intake and a Stainless Steel 35.5mm Exhaust Valves, with Harden Keepers, Chromoly retainers, and Single high rev springs. They are ready to install.

Made from an AA 500 Series Casting it comes STD with: Clean flowing cooling vanes, for maximum cooling through the head, and around the intake ports for increased HP and over all cooling. A modernized Combustion chamber, for increased head flow & performance. A second Full Fin, so you can Fly cut your heads deeper to achieve almost any desired Head CC volume needed. Blocked off rocker stud bosses, to eliminate the O-ring and stop possible oil leaks. Long reach 3/4 Inch Spark Plugs, to reduce the chance of cracking between the Valve seat and Plug

Engine: VW Type 1 2 and 3 1600 Dual Port

Springs: Single or Dual High rev

Valves: 40mm Intake by 35.5mm Exhaust

Casting: AA Performance 500

Plug Size: 12mm  (Replacement NGK Number is D8EA)

Bore: 85.5, works with 85.5,87, and 88 slip in kits

Bore: 92, works with 88 thick wall, 90.5 and 92mm kits

Bore: 94, works with 92 thick walls K and M, and 94mm kits

Please Pick Bore size, and Spring Upgrade when ordering Above