How to tell A from B pistons.

SamT · Posted: Sat Feb 04, 2012 8:15 pm Post subject: How to tell A from B pistons.

I'm trying to figure out if these pistons are A or B. I don't have them in my hand and a guy measured them for me and says from the top of the piston to the top of the wrist pin hole is 1 1/8 inch. Is that A or B?

Sam

modok · Posted: Sat Feb 04, 2012 8:17 pm Post subject:

1 1/8 is 28.6mm
+11mm for the 22mm pin

39.6mm, AKA stock, A height

SamT · Posted: Sat Feb 04, 2012 8:23 pm Post subject:

Thanks.

mark tucker · Posted: Sat Feb 04, 2012 10:21 pm Post subject:

and different bore size have different comp hight's, and also differnt length cylinders too. as in one size dont fit all, and all dont fit any with out some work.


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