• PISTON DESIGN • Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength • Up to 20% lighter than traditional equivalent • High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation • Accumulator grooves for improved ring seal • Designed for normally aspirated or moderate forced induction/nitrous applications • Now includes high performance skirt coating! | • RINGS INCLUDED • Lightweight, low friction metric ring package included • 1.2mm top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring • Napier 2nd ring for improved oil control • Minimal filing required ?? PINS AND LOCKS • High quality 2.250" pin further reduces reciprocating weight • Carbon steel wire locks included |