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, stainless steel 35.5mm exhaust valves, harden keepers, chromoly retainers, and single high-rev springs. They are ready to install.
Made from an AA 500 series casting, these come STD with clean flowing cooling vanes for maximum cooling through the head and around-the-intake ports for increased HP and overall cooling.
These heads feature:
- 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" 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 springs
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
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