Diamond Power Intake & Exhaust Valves Replacement for Jeep Grand Cherokee Comanche Wrangler 4.0L OHV 12V
- 2 Year Warranty (This product must be installed by a certified professional mechanic).
- Same day shipping when purchased before 3pm EST.
- Our products are tested and meet or exceed OEM performance requirements.
- Fits 87-92 Jeep Comanche 4-0L 3966CC 242CID OHV 12V L6.
- Engine Valves are made with excellent quality materials (Nickel, Chrome and Tungsten).