DRD L6 CNC ported type1 heads (94mm bore) (Built in the USA)

DRD L6 CNC ported type1 heads (94mm bore) (Built in the USA)

NEW AIRCRAFT ALLOY  TYPE 1 CASTING, DRD CNC L6 42x37.5mm valved type 1 head is for a Hot street car/weekend warrior street car/ bracket car/off road. Power output ranges up to 180HP. Based off a New head casting, 12mm spark plug hole, CNC ported intake and exhaust ports, CNC combustion chambers,silcone bronze valve guides, multi angle valve job, dual springs, valve springs shimmed, chromolly retainers and chromolly locks. This port combo retains bottom end driveability, and pulls very hard through the 3000 to 7000 rpms range on pump gas. Designed and manufactured with the use of the latest computer design software, optiomized for maxium torque output. DRD heads offer more torque per dollar hands down. 68CC cumbustion chambers.The Price is for a pair heads, 2 cylinder heads . CNC matching manifolds are also avaible.
intake Flow numbers @28 inch of water:
Lift- CFM
.050 -30.0
.100 -56.9
.150-81.5
.200-108.5
.250-131.5
.300-156.4
.350 -171.3
.400-184.4
.450-189.6
.500-197.6
.550-203.9
.600-209.0
.650-214.3
Exhaust flow a @28 inches of water
Lift -CFM
.050-26.7
.100-48.0
.150-69.1
.200-90.6
.250-110.3
.300-131.0
.350-132.9
.400-137.0
.450-140.0
.500-145.2
.550-149.9
.600-150.0

SKU DRD L6 heads21  
Weight 32.00 lbs
 
Our price: $849.99
6%
Market price: $899.99
Quantity