DRD 35.5X32mm Performance head ( Stock chamber) (This item has replaced our DRD L3 heads built in the past)

New for 2011, (This item has replaced our DRD L3 heads built in the past) . BUILT IN THE USA, BY DRD

DRD 35.5X32mm Performance heads, are for street car/off road engines. These heads have approximate 16% more flow than a stock head casting. New type 1 performance head castings have larger ports than stock oem ports, these ports are equal in performance, to our L3 head that was built in the past . Heads have 12mm spark plug holes, to prevent cracking, 35.5mmx32mm stainless steel valves, DRD Hi chrome valve seats are installed, single high rev springs, Silicone bronze valve guides, along with chromolly locks and retainers, along with a 3 angle valve job . This combination provides rock solid bottom end torque,with excellent mid range and high end pull to 5500 rpms , with increased fuel mileage. Can be used with stock OEM heater boxes or larger exhaust systems. Specify your cylinder size. Recommended for 1600Cc engines, to 1900CC engines. Heads have approximate 53CC stock chambers. The Price is for a pair heads, (2) cylinder heads. Specify your bore when ordering, 85.5mm, 88mm thick wall, 90.5-92mm or ,94mm . This item is a step up from a stock oem vw  type 1 head.