Jeep Grand Cherokee - OMI Main Bearings
Jeep Grand Cherokee - OMI Main Bearings

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Enhance your Jeep's engine performance with the Jeep Grand Cherokee - OMI Main Bearings, a premium solution for restoring engine efficiency and reliability. Every Jeep enthusiast knows that as the miles accumulate, the engine's internal components begin to show signs of wear, especially critical parts like the crankshaft journals and bearings. Main bearings are integral to smooth engine operation, providing the necessary support for the crankshaft and facilitating efficient power delivery from the engine.
OMIX brings you a meticulously engineered main bearing set, designed with precision to align with and frequently exceed OEM specifications. This main bearing set is an essential component for any Jeep owner aiming to unlock their engine’s top performance. The OMI Main Bearings are compatible with a wide array of Jeep models, including:
- 72-83 CJ5
- 72-75 CJ6
- 76-86 CJ7
- 81-86 CJ8 Scrambler
- 72-73 Commando
- 72-73 Trucks
- 72-83 Cherokee/Wagoneer
- 73-74 DJ5
- 84-86 Grand Wagoneer
- 87-90 Comanche MJ
- 87-90 Wrangler YJ
These are tailored for use with 3.8, 4.0, and 4.2-liter engines that have been bored to 0.020 inches over, making them versatile and adaptable for various engine rebuilds. The durability and precision of OMI Main Bearings ensure reliable performance under the toughest conditions, making them essential for maximizing engine lifespan and driving pleasure.
Features
- Designed for versatility across 72-90 Jeep models.
- Meets and exceeds OEM specifications for quality and performance assurance.
- Specially crafted for 3.8, 4.0, and 4.2-liter engines with 0.020-inch overbore.
- Vital for restoring your engine's power and performance.
- Compatible replacement for OE 4289M.020 to maintain original design integrity.
While installing new bearings, we recommend thorough engine work to gain the best performance outcomes, which includes enhanced engine longevity and a noticeably smoother driving experience.
If you have questions regarding the Jeep Grand Cherokee - OMI Main Bearings or need guidance, please contact our knowledgeable team. We’re here to assist you in every way possible. Whether you're in Texas or California, our dedicated support team is just a call away. Dial 512-982-9393 for assistance in Texas or 562-981-6800 for support in California. We are eager to help you restore your Jeep’s peak performance.
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