M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
2X Entries Into Our F80 M3 Sweepstakes
2013 Mercedes Benz S550 4Matic Sedan 221.194 V8 4.6L Engine Mechanical Parts
M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
2X Entries Into Our F80 M3 Sweepstakes
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.
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
Two (2) to Four (4) Required Per Vehicle based on engine. Includes new seal.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-29-2026
For repair or changing valve in the cylinder head
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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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with oil drain plug
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14mm - Does not include new sealing washer
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Control Solenoid - Directional Control Valve
Includes cap, filter and gasket
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026