[danweseman]

Im working on a rv-4 with a sensenich metal prop . It has 2, 2 inch thick aluminum spacers between the prop and crank flange. They say spm8s8 on them. has anyone seen this "stacked spacer" setup before. Thanks for any info Dan Weseman

 

[Flynkayaker]

Re 2, 2" prop spacers

I have not, however if decide to go with a 4" spacer I have one for an O-320 I will trade you. I need the 2"...

 

[Sid Lambert]

My hangar mate has the stacked setup with about 1100 trouble free hours. The long cowling looks good.