Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
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Cleans the air for the climate control system before it enters the cabin.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
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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The stock HPFP on the M278 Motors is severely limited in capacity when trying to raise the output of the motor. The FX-170 adds 50% more flow, raising the fueling limits and helping you achieve more power!
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Lifetime Replacement
