M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
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2012 Mercedes Benz S63 AMG Base Sedan 221.174 V8 5.5L Engine Parts & Accessories
- Cooling
- Covers
- Drive Belts
- Electrical
- Emissions
- Fastener Kit
- Filter
- Fuel
- Gaskets & Seals
- Ignition
- Intake
- Mechanical
- Mount
- Oil Service
- Performance
- Pulleys
- Software
- Timing
- Tools
- Turbocharger
- Vacuum System
Located at the base of the fuel injector
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The solution to increased fueling made simple by Spool Performance
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For those trying to make big power, this can push you up to 1200WHP with supporting mods, and tuning.
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Commonly used on M113K and M157 Engine Builds
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Includes Sensor - Does not include new reservoir cap
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Upper Grooved Pulley
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Includes all o-rings needed for installation. For M133, M152, M157, M176, M177, M178 & M278 Engine applications.
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Intake Side - Right
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This product was last offered at the strikethrough price on
04-15-2026
Exhaust Side - Left
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from engine # 60 009368 from 02/04/12
Transmission End
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Includes Sealing Ring & Retaining Clip
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Vapor Canister Purge Solenoid Valve
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Located behind the catalytic converter
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Transfers power from the accessory belt to the alternator rotor
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Includes O-ring - High Pressure Pump On Engine
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