M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
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M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
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Located at the base of the fuel injector
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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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Includes Sensor - Does not include new reservoir cap
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For repair or changing valve in the cylinder head
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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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Exhaust Side - Left
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! from engine # 30 035187 from 02/01/12
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
