Most specialist vehicles have limited electrical requirements and often have restricted engine bay room
They can can almost always benefit from weight reduction.
If all this applies to your car then this is the alternator for you.
Very compact - the main body is less than 100mm diameter.
Light weight - only 3Kg and simple, two bolt mounting.
Main power output is via a M6 stud.
Warning light and +12v terminals are 1/4" male spade.
If you wish to change the pulley, the shaft diameter is 15mm.
There is a picture of the shaft. NOTE: Any modification will invalidate your guarantee.
NOTE: In theory, an alternator will charge rotating in either direction but the cooling fan on this alternator is designed to rotate clockwise looking at the pulley.
COMPACT LIGHTWEIGHT 40 Amp ALTERNATOR #ALTE