Twin plug turbo heads, 10mm spark plugs top and bottom, 42 x 38 valves, machined for V2 98mm Nickes. The exhaust flows 150 cfm @ .500" with a full valve guide
How can I contact Aircooled Heaven? I went to their site but did not see a contact link, just a webmaster contact. I have two sets of heads that I want daul spark plug added. How much did it cost?