.
. . Bottom
appears to have about .002" warp. Average
thickness at front of head is 4.460" Average
thickness of rear of head is 4.463" Has
what appears to be .060" cam tower shims on it
now. Cam
is good for core or may be useable; rockers are old
style. Subtract $160 if you do not need cam, rockers,
valves and springs DATSUN
U20 USED HEADS
Info .
Datsun
SRL311 Cylinder Head from Rallye Enterprises,
Ltd.
Head
has about .009" crown to take out of top middle. Cutter
should be stopped before it reaches the ends of the head;
so the area under the end towers are only skimmed.
For
General Info on U20 Heads click on Rebuilt
Heads
Info.