45CC Dual Ring Engine with WT 1191 + NGK Spark Plug for 1/5 Hpi Rofun Rovan King Motor Baja 5b 5t 5sc Ss Rc Car Parts Double Ring Piston Structure Makes The Engine Double Airtight and Enhances Engine Power! Dedicated Ultra Easy To Start Pull Starter 8000 RPM Wear-resistant Clutch Tip: Before Purchasing, Please Confirm If It Matches Your Model To Avoid Purchasing Errors, Thank You FLMLF 45cc 4 Bolts Engine Piston Double Ring Kit for 1/5 Hpi Rofun Rovan King Motor Baja 5b 5t 5sc Ss Rc Car Parts *Engine Model: 45CC ) *.Cylinder Diameter * Stroke: 43x31/mm ) *.Engine Displacement: 44.99/cm ³ ) *.Carburetor: for Walbro 1191) *.Spark Plug: NGK CMR7H ) *.Starting Method: Easy To Start Hand Pull Recoil ) *.Air Intake Method: Scavenging ) *.Cooling Method: Forced Air Cooling ) *.Lubrication Method: Mixed ) *.Idle Speed: 4000 ± 200/rpm ) *.Maximum Speed Without Load: 16500/rpm ) *.Maximum Power: 3.2Kw/13000kW/rpm ) *.Maximum Torque: 3.0/9000 N · M/rpm ) *.Clutch Contact Speed: 8000/rpm)