Here is more information on these pistons.

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Thanks for the response DD. Good to see you back on this forum. Haven't seen you post in a while. There is limited supply in oversize pistons from what I know for A series engines unless you special order which would take me out of my price range. This is the image I got from the supplier. Reminds me of the pistons from the A12 engine I had. Piston suppliers don't provide the dish specs on their pistons so it's a gamble on what compression will end up being. I'll be using the GX head for my setup so compression is a concern. Not building a high performance engine.

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Anyone looking for a stock A12 crankshaft to build a stroker engine or just need a replacement? Crankshaft is clean looking and was pulled from a running engine. Send me a PM if interested.

Anyone ever use Nippon pistons for an A15 rebuild? Supplier is giving a part number that cross references to the A15 forklift engine. Same engine I suppose and I'll be able to use my connecting rods? These pistons are .020 oversize which is what I have been looking for. I think Nippon pistons and rings are made in Japan. Any info would be much appreciated. Thanks.

Yeah shipping to Australia is insane. Was quoted about $1000 to get this shipped over there.

Looked at TechWiki under Parts for 63a and it showed part numbers for A & L input shafts on top of each other:

32200-N6700 GEAR ASSY-MAIN DRIVE A14
32200-21100 GEAR ASSY-MAIN DRIVE L16S

Which tells me they are interchangeable. Have you done this swap of parts before?

Denuto advised that the L and A series input shaft is interchangable to solve that problem. Do you not agree?

Well DD I am trying to sell this 63a I have. No one seems interested. There is a 510 owner looking for a 5 speed which is where I was going with all this. Maybe he can benefit from the gearbox. Don't know if there is an advantage of using a 63 over 71. Probably not. Yes 71 is easier to find here in the US so he may just go that route unless he needs a dogleg 5-speed which will require this modification...

Ok this is the information I was needing. Individual with L series has 510 with L16/4 speed. Not sure what transmission it has and if the casing is interchangeble. So only 63a L series 5-speed dogleg casing is interchangeable?

I have had interest from Australia in the past to purchase this gearbox, but shipping is cost prohibitive. But shipping casing and input shaft my be within reason. Surprised that input shafts are interchangeble. If this transaction does not occur, What could I expect for selling these 2 parts alone?

And is there a "case" from another transmission that will fit and line up with all the bolts to the sandwich plate/gear of this A series 63a to make this conversion?

Ok meant to say the "case". So that is the only difference between L and A series 63a transmissions? The yoke from the driveshaft that slides into the the rear of the transmission is the same as well?