These are a set of 11* ET 225cc that were Custom CNC ported from Cary at ETP to 235cc. They are 4 bolt design and are set up for a solid roller camshaft, included will be a set of hydrolic springs with the custom ET rocker mounts. $2300 OBO

The heads flowed 356 on the intake side, 245 on the exhaust with no pipe, 287 with 1 7/8 pipe. chamber volume is 60 cc.

26120-16 Comp beehive springs are the Hyd springs and the solids were assembled at ET (im not sure of the pressures) the cam spec used was 272/284 720/745 115. They are good over .800 lift.

.200" 145 113
.300" 225 159
.400" 282 213
.500" 320 229
.600" 344 236
.700" 356 242

 

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