Arias has introduced this strutted lightweight forging as an upgrade over their standard shelf piston.
-11.4 CC Dome for maximum compression
-Lateral Gas Ports
-Tool steel wrist pins
-4P Exclusive ring package
308-320 grams depending on bore size.
88mm Bore is 14.7:1
90mm Bore is 15:1
**You can adjust your chamber size for MUCH more compression if you desire. We can do this on your head while it is here**