Board index Flathead Power-Technical Questions, Answers, and Suggestions 45 Flatties K Pistons

K Pistons

Post Fri Nov 19, 1999 3:11 pm

Posts: 28
Location: Ark, USA
I have 2 sets of pistons that came in my k basket, the distance between the top of the hole for the pin to the top of the piston on both sets is within .oo5" but the distance from the top ring to the top of the piston is .100" closer to the top on one set than the other. Is one set for a 45 and one for a K or does it make any difference, maybe just different maufacturers, neither have HD numbers inside. Anyone know what I have?

Post Tue Nov 23, 1999 12:23 am

Posts: 582
Location: meridian, id. usa
hey steve I thought that was rKansas

Post Tue Nov 23, 1999 4:31 pm

Posts: 28
Location: Ark, USA
Dotman, only if your from Kansas. Do you have an answer to my piston puzzle? I guess I'll have to take them up to Benwa.

Post Tue Nov 23, 1999 4:54 pm

Posts: 582
Location: meridian, id. usa
Actually I measured a NOS 45 piston and the top slot measures .265 from the top of the piston to the top of the first ring .428 to the top of the #2 ring and .588 to the top of the oil control ring. But this is my only new set of pistons and dont have acces to any K's

jes kidden about the kansas thing Image

Post Wed Nov 24, 1999 8:38 am

Posts: 19
Location: Brighton,Mo. U,S.
Steve- Ive measured some of the pistons I have and come up with different measurments.
It probly wont make any difference which you use. The ones with the taller deck could possable be KR pistons,they stuck up out of
the cylender???
benwa

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