M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
2X Entries For Our 25th Anniversary Sweepstakes!
2013 Mercedes Benz S63 AMG Base Sedan 221.174 V8 5.5L Performance Engine Parts
- Catch Can
- Cooling
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Intake
- Pulleys
- Software
- Sprint Booster
- Throttle Controller
- Turbocharger
M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
2X Entries For Our 25th Anniversary Sweepstakes!
For those trying to make big power, this can push you up to 1200WHP with supporting mods, and tuning.
Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes
This product was last offered at the strikethrough price on
08-03-2026
Replacement factory turbocharger - Brand New Unit, No Core Charge