Part
Ramjet Cooling IV
Legendary
Tier 4
Ramjet
4000 credits
Speed-based 
Ramjet cooling improved by 40%.
- How to unlock
- Complete 65 events.
Every tier of Ramjet Cooling
| Part | Rarity | Tier | Effect | Price |
|---|---|---|---|---|
| Ramjet Cooling I | Common | 1 | Speed-based Ramjet cooling improved by 10%. |
2000 |
| Ramjet Cooling II | Rare | 2 | Speed-based Ramjet cooling improved by 20%. |
2500 |
| Ramjet Cooling III | Epic | 3 | Speed-based Ramjet cooling improved by 30%. |
3000 |
| Ramjet Cooling IV | Legendary | 4 | Speed-based Ramjet cooling improved by 40%. |
4000 |