Warbird Information Exchange

I'm doing some research on the P-26 Peashooter, and need to ask a dumb question. How does the gun synch gear attach to the Wasp engine? More to the point, can you attach the gear to any Wasp engine, or to just a specific dash number designed to accept the gun synch gear? Thanks.

_________________
The main winding was of the normal lotus-o deltoid type placed in panendermic semi-bolloid slots of the stator. Every seventh conductor being connected by a non-reversible tremmy pipe to the differential girdle spring on the up-end of the grammeters. Moreover, whenever fluorescent square motion is required, it may also be employed in conjunction with the drawn reciprocation dingle arm, to reduce sinusoidal depleneration.