DRD L5 CNC ported type1 heads (90.5mm bore) (Built in the USA)

DRD L5 CNC ported type1 heads (90.5mm bore) (Built in the USA)

DRD Cnc ported L5, type 1 heads. New REVMASTER 049, AIRCRAFT ALLOY     type 1 head castings are used with 12mm spark plug holes. 40mm X 35.5mm Stainless steel valves installed, HI rev dual springs, Heavy dusty cromolly retianers and keepers. State of  The art CNC ported, intake and exhaust ports, CNC machined combustion chambers to take advantage of to days pump gas. These heads are great for street and off road engines with 1700CC and up, power up to 170hp output on large stroker engines. Designed and maufactured with the use of the latest computer design softeware. Power range from idle to approx 6500 rpms. Listed price is for a pair heads, 2 cylinder heads,Combustion chambers are approx 64CC.
Intake flow a @28 inches of water
Lift CFM
.050 29.8
.100 54.4
.150 80.5
.200 104.1
.250 125.7
.300 145.5
.350 159.9
.400 171.5
.450 180.6
.500 184.5
.550 188.3
.600 194.2
Exhaust flow a @28 inches of water
Lift CFM
.050 26.7
.100 48.0
.150 69.1
.200 90.6
.250 110.3
.300 123.1
.350 132.9
.400 136.1
.450 139.9
.500 141.1
.550 141.1
.600 141.1

SKU DRD L5 heads  
Weight 32.00 lbs
 
Our price: $749.99
6%
Market price: $799.99
Quantity