ARIAS 92.5MM 3.642 Bore, Low Compression(dish top) 4/set, turbo/nitrous.
Application:
-Subaru EJ20 2.0L DOHC - 01-03 WRX
-8.7:1 Comp. Ratio
Sport Compact piston stocking kits include:
-Forged pistons with pin fit.
-Wrist pins: High carbon, case-hardened.
-Ring set: chrome or moly faced top, cast 2nd, 3-piece oil.
-Locks: carbon steel wire or spiral.
Piston info:
-Hi-tensile forged, not cast, billet material (4032 or 2618).
-4032: hi silicone aluminum; 2618: non silicon aluminum.
-CNC machined working surfaces.
-Optimized crowns for efficient combustion.
-Diamond-turned ellipsoidal skirt profile.
-All motor/Nitrous pistons feature lightweight, high strength construction.
-Turbo/Nitrous pistons feature durable, heavy-duty design.