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Message: [QUOTE="gwunter, post: 1433118, member: 9742"] I'll take a swing at this and add my 0.01$. That is an A size pump not a P. I believe the biggest bosch elements available for it are 10mm.....or 9.5mm like yours is. I have an identical A pump sitting in my shop. More than likely these are off the 9.0l internatonal NA motor.....a slug. But if you have the coin/desire, these pumps can be modified to put out bunch of fuel. Much more work involved than modifying a P series. The A will take a different drive hub as the P is heavier. Also the front bearing carrier is smaller as well, so you will also need a different intermediate plate(goes between new front cover and pump) than what companies are producing. The spacing between the elements is also a bit shorter but you could probably just bend the available fuel lines to make work. Then again I think the threads on the 8 fuel outlets on the A are smaller than the P too. Fwiw [ATTACH=full]169490[/ATTACH] I've contemplated trying an A as well, but I keep going back to the P series. If you hunt around on e bay you will eventually run across one. But not all Ps are the same either. There's 3000 and 7000 series Ps, and others. I think most kits are set up for the 7000. I know on the 3000vs 7000, the cam bearing carriers are heavier/bigger on the 7, along with a bigger diameter cam nose (mates to drive hub). If the data tag read PES8....then it's a flange mount like your A, if the tag reads PE8.....then it's a cradle mount type; not worthless just not as desirable. The letter following the 8 (or could be a 3,4,6,8) is the series of pump. Some series are M, MW, A, P, H, Z. Sorry to ramble, just things I've observed over the years. [/QUOTE]