18mm Heads are not in stock, ETA 6/3/24
Cylinder Head Features:
- Track tested, proprietary O-Ring setup.
- 32 Tungsten Carbide hardened valve seat inserts to prevent cracking.
- 32 press in iron matrix valve guides, honed to size for superior lubrication retention and ultimate longevity.
- Upgraded heavy duty casting, thicker than OE.
- Pressure tested and vacuum checked.
- Blueprinted to proprietary valvetrain geometry, to alter valve height and valve recession for maximum reliability and longevity.
- New USA made high quality valve springs, retainers, locks, valve stem seals, freeze plugs, glow plug sleeves and injector sleeves.
- Valve spring pressure is tested and balanced ensure consistent spring pressure across all valves
- The same industry leading O-ring design survived Diesel Power Magazine’s DPC torture test, claiming victory in 2016 and 2017.
