Product Description
We take the proven Speedmaster Head castings and fully CNC Port them. Then we add Howard's Hydraulic Roller Valve Springs and Retainers and Comp Cams 10-degree valve locks, Speedmaster guide plates and ARP rocker studs for an unbeatable combination of value and performance.
Intake
Lift CFM
.200 139
.300 220
.400 269
.500 292
.600 310
Exhaust
Lift CFM
.200 115
.300 162
.400 190
.500 209
.600 234
In stock for immediate delivery.
Sold by the Pair for $2750 with Free Shipping.
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