Part
Heated Fuel IV
Legendary
Tier 4
Afterburner
4000 credits
Redlining increases power of next 
Afterburner by 150%.
- How to unlock
- Complete 109 events.
Every tier of Heated Fuel
| Part | Rarity | Tier | Effect | Price |
|---|---|---|---|---|
| Heated Fuel I | Common | 1 | Redlining increases power of next Afterburner by 25%. |
2000 |
| Heated Fuel II | Rare | 2 | Redlining increases power of next Afterburner by 50%. |
2500 |
| Heated Fuel III | Epic | 3 | Redlining increases power of next Afterburner by 100%. |
3000 |
| Heated Fuel IV | Legendary | 4 | Redlining increases power of next Afterburner by 150%. |
4000 |