This is a 100% brand new aftermarket replacement part. Made to meet or exceed OEM's standards. Completed Cylinder Head & Read to install Factory
ATK Engine Cylinder Heads
Low compression cylinder #2 : r/Justrolledintotheshop
Brand New Engine Cylinder Head for Jeep Grand Cherokee 4.0 L OEM
Remanufactured 4.0 OHV Cast# 0331 Cylinder Head
2000 Cherokee XJ 4.0 overheating, can't find the issue. Info in
Clearwater Cylinder Head - Complete 4.0L OHV Cylinder
4.0L JEEP CYLINDER HEAD NEW BARE CASTING #0331-7120-0630 1998
NEW UNIVERSAL 4.0 JEEP CYLINDER HEAD 0331
Beginner's DIY Guide to Jeep 4.0 Head Replacement: Draft #1 - Jeep
Genuine AMC Jeep Wrangler Cherokee Laredo 4.0L Cylinder Head
4.0L JEEP CYLINDER HEAD NEW BARE CASTING #0331-7120-0630 1998
ProMaxx Performance Products CHR640NB ProMaxx Performance Cylinder
SANDJ Engines
Issues with Clearwater Cylinder Heads - MJ Tech: Modification and
JEEP 6CYL NEW FULL - PROMAXX Performance Products