Aluminum Alloy Vernier Duplex Timing Chain Set , Sprite , Mg Midget , Mini

This lightweight vernier duplex timing gear set has a cam sprocket assembly machined from 7075 aerospace alloy with extra lightening by the way of large arched slots in the sprocket and is complete with 7075 alloy clamping washers. The crankshaft sprocket is CNC machined from steel and now comes with extra deep key way and a full radius machined into the rear of the bore for ease of fitment to EN40B steel crankshafts that have no undercut machined into the rear of the sprocket mounting diameter.
Will fit all standard A series crankshaft without modification.
The timing gear set comes as standard with:

Iwis high quality timing chain

2 x Allen countersink screw for the engine plate

3 x Allen cap screws and spring washers to mount the camshaft triangle