Composite Penske board 3/4"
Link to ebay listing
I'm in for the cowl as long as no cracks.
I will look for the center piece I removed from mine.
I ran this prop for a very short time on my old 21' Checkmate Pulsare. This prop ran 88 @ 5,700...
been a fun & aggressive class for many yrs now
we have a claiming rule on the motor,prop and jack...