Re: Speed Pro Piston ID
7070P- 64cc=11.0 68cc=10.4 76cc=9.75 all with .025 deck clearance and .021 compressed gasket.
7063P 64cc 68cc 76cc
std 10.95 10.5 9.7
.030 11.1 10.65 9.8
.060 11.25 10.8 9.9
all with .025 deck clearance and .039 compressed gasket
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1970 Chevelle SS396 L78 4spd 410 posi astro blue
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