Still new in the original box - Arias 81mm hi compression piston, pins, and rings. I no longer have my set of 906 pistons to compare these to, but they look to have at least as tall a dome, if not more. I have complete sets of '69S heads to match up with these pistons to allow for valve clearance (at additional cost). $1,250.00 OBO. Please email to: jpnorthwood@aol.com