M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
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2017 Mercedes Benz S63 AMG 4Matic Convertible 217.478 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
The solution to increased fueling made simple by Spool Performance
Commonly used on M113K and M157 Engine Builds
Protect your engine's valvetrain and eliminate startup chain slack with this redesigned driver-side exhaust adjuster for your BiTurbo V8.
Lock down your driver-side intake timing with the newest Mercedes-Benz VVT sprocket and protect your BiTurbo V8 from devastating timing chain damage.
Lock down your passenger-side intake timing with the newest Mercedes-Benz VVT sprocket and protect your BiTurbo V8 from devastating timing chain damage.
Upper Grooved Pulley
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Protect your engine's valvetrain and eliminate startup chain slack with this redesigned passenger-side exhaust adjuster for your BiTurbo V8.
Silence the dreaded cold-start death rattle and bulletproof your BiTurbo V8's timing with this complete set of the latest, fully redesigned camshaft adjusters.
2X Entries Into Our F80 M3 Sweepstakes
For repair or changing valve in the cylinder head
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Engine Timing Sprocket
Replace your leaking cap, or the one you left at the pump
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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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Replaces old plugged or sticking crankcase vent valves
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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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