{"title":"Stock \u0026 Performance Street Heads 500 Series","description":"","products":[{"product_id":"new-vw-1600-dual-port-high-performance-cylinder-head-40x355","title":"VW 1600 Dual Port Performance Cylinder Heads, 40X35.5 \"Pair\"","description":"\u003cp\u003e\u003cstrong\u003eThis 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. 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Heads comes with Hand Ports for increased Flow and Performance with Stainless Steel 40mm Intake and a Stainless Steel 35.5mm Exhaust Valves, Hardened Keepers, Chromoly retainers, and Dual high rev springs. They are ready to install.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade 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. Amodernized Combustion chamber, for increased head flow \u0026amp; 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. 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