Description:
Forge pistons for Hydrospace S-4 standard bore size 748.68cc with compression ratio 9.0:1, it can be replaced instead of Stock pistons with out any modification.
The draw material made of Aluminum Alloy 4032 & 2618 Aerospace grade
Price USD 670.00/set ( 2 pistons with 2 sets of pistons ring, and pistons pin + clip lock)