Chevrolet SB V8
BPE
ported Chevrolet SB V8 heads
#461 with 2.020" & 1.600" valves
Chevrolet Small Block V8 heads, casting# 461
on their way to being converted to 2.020" & 1.600"
valves and screw-in rocker
studs,
shown
with new
valve guides installed, awaiting finished guide length