Product Description
We take the proven Speedmaster Head castings 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
.200 147
.300 213
.400 258
.500 269
.600 289
Exhaust
LIFT CFM
.200 124
.300 156
.400 177
.500 195
.600 202
In stock for immediate delivery.
Sold by the Pair for $2250 with Free Shipping.
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