Ready to go HUGE with your Jims 120 engine! Always at the front with new products for the ever changing performance market! Revolution Performance is proud to announce the development of the all aluminum Monster 135 kit for the Jims TC88A and TC88B platforms! The bore is blown out to a whopping 4.375" with a pump gas friendly compression ratio. As with all Revolution Cylinders, they are warranteed for life against warpage and/or plating defects! The kits come complete with Revolution Cylinders, forged piston kit, and gaskets. Call today for GMR Performance http://www.gmrperformance.comor Revolution Performance http://www.revperf.comfor details!