jeep cherokee xj injectors jeep xj upgrades Compare with similar items Product Description Item specification: Placement on Vehicle: Front, Rear Manufacture Part Number: 0280155784 Interchange Part Number: 280155784, 4854181, 4667938, RL669938AB, FJ570, FJ454 Other Part Number: 1999 2000 2001 XJ TJ WJ EV6 4 Nozzle Wrangler.

JPNinPA Using app 'Never look down on anybody unless you're helping him up' - Jesse Jackson Missing, damaged or ill seated o-ring gaskets will lead to rough idle. Just be sure all the gaskets are in good shape and seat correctly. I would say it does seem to run better and it makes power further into the rpm band (higher up) then stock where power falls off after 5200.Re: Fuel injector upgrade for the 4.0, and how to? Installed correctly there are no issues. Strongjeff said: Haven seen real power gains due to the fact it's running the factory injector calibration. What ever you don't go on to ebay and buy the $50 'new' injectors. Those can be found on most auto parts sites. If not you can replace them with the one hole stock injectors.

These are the what you want if you are doing the four hole upgrade injectors.

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These Injectors are upgraded direct swap for: Jeep 2.5L, 4.0L, 5.2L, 5.9L YJ, XJ, ZJ, TJ, LJ, WJ They can …OMIX Fuel Injector for 91-95 Jeep Wrangler YJ & Cherokee XJ with 2.5L 4 Cylinder Engine & 53007232 Injectors In Stock $134.99 OMIX Fuel Injector for 87-90 Jeep Cherokee XJ with 4.0L 6 Cylinder Engine In Stock $79.99 1 2 next lastInjectors,cciyu 4 Holes Fuel Injectors Set fit for 99-01 for Jeep for Cherokee,99-04 for Jeep for Grand Cherokee/Wrangler,00-03 for Dodge for Ram 2500 Van/Ram 35155784,6 Pieces 61 $4599 FREE delivery Jan 23 - 25 X AUTOHAUX 53013490AA Fuel Injector Replacement for Jeep TJ 2003 for Jeep Wrangler 2.4L 4.0L 2003-2004 3 $1909 $20.69 Log In My Account md. Full Set of Genuine Bosch, and Ford Fuel Injectors.

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