Comp Cams 88-06 Jeep 4.0L .450in Lift Valve Springs Kit - 983J-KITFind parts that fit my vehicle

The Ovate Wire Valve Spring Kit for Jeep 4.0L 1988-06 Applications supports the installation of up to .450" lift high performance cams. Featuring properly engineered valve springs that handle harmful dynamic valve train stress more efficiently, this kit increases greater RPM potential and durability. This spring upgrade also eliminates valve float issues associated with the stock valve springs. Includes the COMP Cams #983 Ovate Wire Valve Spring and #516 valve seals, this kit allows the re-use of stock retainers.

Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth.

Upgrading your valve springs and retainers is the best way to help your car rev higher. If you are looking to increase the horsepower of your engine, your may have considered rebuilding the head. When rebuilding your engine's head, we recommend upgrading your valves, and springs. This will increase airflow and the RPM of your engine.

For more than 35 years, the COMP Cams mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams as the absolute leader in valve train components.

COMP Cams has never forgotten that performance is defined by results –both at the track and on the street. We spend thousands of hours working with individuals, teams and companies to ensure that our products provide superior performance and reliability. Whether we're working with a Pro Stock or Sprint Cup team, or putting thousands of grueling miles on one of our pro touring or street/strip components, we test our products in the same places you do. That's why we know that every COMP Cams product will perform to the highest of standards.

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