COMP Cams · New
COMP Cams 88-06 Jeep 4.0L .450in Lift Valve Springs Kit
MPN 983J-KIT · Store SKU cca983J-KIT
Supplier stock checked 11/7/2026, 1:03:18 PM UTC. Adding a part does not reserve it.
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Product details
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. Capable of handling up to .450" lift camshafts, this spring kit features springs designed to handle performance camshafts in Jeep 4.0 engines. Constructed from Ovate wire, these springs eliminate valve float often seen with stock springs. 0.450" Max Lift Spring Kit for '88-'06 Jeep 4.0L
Manufacturer fitment & guides
- 1988-2006 Jeep 4.0L
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
