The degree wheel clamped to the crank.

Degree wheel detail. For Degree Wheel drawing, click here:

Pointer detail.

Indicator actuator. From counterbore center to bolt center = 4 7/16".

Actuator is .125 thick. Counterbore is .375 dia., .090 deep.

Thickness under the counter bore is .035", enough to fit tight between the valve stem and lifter

without having to adjust the valve clearnce.

Horseshoe washer 1 1/4" OD, 3/4" ID.

Indicator on manifold surface.

Actuator & washer in place.