hotter-running imports and domestic compacts.Today, Arias maintains an unmatched advantage in the import and domestic compact market. Over three decades of research and development have led to the ARIAS Sport Compact shelf line.Features- Hi-tensile forged, not cast, billet material (4032 or 2618).- 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.Sport Compact stocking kits include: forged pistons with pin fit, high carbon case-hardened wrist pins, chrome or moly faced top, cast 2nd, 3-piece oil ring set and carbon s...  (less)