Originally Posted by Neal@F14
A crush plate is inapplicable to this prop. The hub does not have long thru-bolts like a wood prop does so there is no way to mount a crush plate. A heavy metal ring bolted to the flywheel is the only way you're going to add rotational weight up front with it.
I have this prop and Sabre made a custom spacer for me. Its 8 inch dia x2.25 solid. 11lbs if I recall.
Ive been very pleased except I had to have it changed to the 180hp version to get enough pitch for my RV4.
Very good performance in all aspects