JE Evo IV-IX Pistons 10.5:1 (88mm Stroke for 150mm Rods) "Asymmetrical FSR" Bore:.020 Over (85.50mm Bore) terminal boots and installation instructions

terminal boots and installation instructions are included

and including

These are the same gas ported pistons we have been testing in our STM Race Engines and easily trapping 165+ MPH in the 1/4

73 amps no check valve

(1) (MR258477) Gasket

JE Evo IV-IX Pistons 10.5:1 (88mm Stroke for 150mm Rods) "Asymmetrical FSR" Bore:.020 Over (85.50mm Bore) terminal boots and installation instructionsFits 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