Space Shuttle Engine (SSE) pack by Klockheed Martian Engine Manufacturer - for Kerbal Space Program.
You should be all good! (check for latest version on CurseForge)
To install, place the KlockheedMartian folder inside
your Kerbal Space Program's GameData folder:
<KSP_ROOT>/GameData/KlockheedMartian/SpaceShuttleEnginesKlockheedMartian folder into your
KSP's GameData folder as follows:
<PACKAGE>/KlockheedMartian -->
<KSP_ROOT>/GameData/
<KSP_ROOT>/GameData/KlockheedMartian/SpaceShuttleEnginesTo install, place the GameData folder inside your Kerbal
Space Program folder:
<KSP_ROOT>/GameData/KlockheedMartian/SpaceShuttleEnginesGameData folder into your KSP's
root folder as follows:
<PACKAGE>/GameData -->
<KSP_ROOT>
<KSP_ROOT>/GameData/KlockheedMartian/SpaceShuttleEngines<KSP_ROOT>
+ [GameData]
+ [KlockheedMartian]
+ [KlockheedMartianLtd]
+ [Agencies]
...
+ [Flags]
...
+ [Localization]
...
...
+ [SpaceShuttleEngines]
+ [Assets]
...
+ [Compatibility]
...
+ [Config]
...
+ [FX]
...
+ [Localization]
...
+ [Parts]
...
* #.#.#.#.htm
* Attributions.htm
* changelog.md
* CC-BY-ND-4.0.txt
* ManualInstallation.htm
* readme.htm
* SpaceShuttleEngines.version
...
* ModuleManager.ConfigCache
* KSP.log
...