SDI Elite Free Piston Assembly Set: Made out of aluminum to last longer and are much more durable. Has better performance due to open chamber design that eliminates the top O-ring and friction.(06-14 YZs, 09-12 CRF450, 10-12 CRF250 08-12 KX450)
Posted by Unknown on Jan 24th 2017
Ordered these to replace the cracked plastic free pistons on my '08 yz125 (common problem, apparently yamaha fixed in 2010). MX-Tech shipped these suckers out quick and they were a direct replacement for the OEM parts. Don't have to worry about the plastic ones falling apart inside the forks.
All prices are in USD.