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wrist pins 1.094 X 3.125 or 3.250 X .220 or .250 wall would be more adviseable. .200 wall for blown alky is a inadequate for a serious blown alky...
Alan The part number for Clevite M for BB Chevy mains is MS-1732M. They are availabe in std. -1, -10. Jobber from clevite for all is $101.71 each.
Call Pat at Ross he will take care of it for you 310 536-0100 Tony: Ross does the milling.
Call Ross Racing Pistons, they make Newberry's pistons 310 536-0100