This part is from Stockalike Realism Overhaul
cost:
340
mass:
0.05
category:
Engine
TechRequired:
propulsionSystems
engine_data:
standard
{"isp"=>{"vac"=>400.0, "atmo"=>360.0}, "propellant_ratios"=>{"Power"=>2500.0}, "max_thrust"=>95.0}