Sold as a set. Positions 1,2 & 3 are comparable to stock. Position 4 is an overload stiffer position ideal for aggressive riding and sleds with seat jack. Fits all Yamaha and Yamacat sleds with torsion spring rear suspensions. Sold as a pair. Note: final finish is bare aluminum. We are no longer powder coating these black.
4 Position Torsion Spring Blocks