4.063 Bore
3.750 stroke
388.96 Cl
6" connecting rods
3.0 cc valve releifs
64 cc combustion chambers
.039 #1043 head gasket
11.15 compression ratio
JE forged flat top pistons
Chilos + Albert 265 gaplets
215 cc int runners
1.550 rollers springs
.100 long valves
PC seals, bronze guides
Roll cage