This part is from KrakenScience
cost:
25000
mass:
3.5
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>162000.0, "atmo"=>55000.0}, "propellant_ratios"=>{"KrakenJuice"=>1.0}, "max_thrust"=>1500.0}