JE Evo IV-IX Pistons 10.5:1 (88mm Stroke for 150mm Rods) "Asymmetrical FSR" Bore:Standard (85mm Bore) Couplers are black outside and

Couplers are black outside and orange inside with the STM logo

(1) STM Engraved Aluminum Bracket

• 10 PSI (-16 to -19 in/Hg)

STM-EVOX-BATK1-GEN16-BK

• Aluminum Weld-on Adaptor

JE Evo IV-IX Pistons 10.5:1 (88mm Stroke for 150mm Rods) "Asymmetrical FSR" Bore:Standard (85mm Bore) Couplers are black outside andFits these Applications: 1996 2006 Mitsubishi Lancer Evolution IV V VI VII VIII IX Piston Specs: Asymmetrical FSR Forged Pistons 22mm Pin 88mm Stroke 150mm Rod Length 10. 5: 1 CR Description: Crown requires no deburring or preparation 2618 T6 high tensile forged aluminum NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F). In this