Euro 
Australia 
Canada 
Denmark 
Japan 
New Zealand 
Norway 
South Africa 
Sweden 
Switzerland 
United States 
Product Information
CNC machined aluminium insert to screw into cylinder head to use small diameter race plugs.
This is required when running 46mm valves or larger.
This is required when running 46mm valves or larger.
What’s Included
- 4x Race spark plug inserts
Technical Details
| Material | Aluminium |
| Weight | 4g |
| Plug size | 10mm |
| External thread pitch | M14 x 1.25 |
| Internal thread pitch | M10 x 1 |
Related Products
cat_race_parts_105 filter_book_mechanical_cylinder_head cat_engine cat_race_parts filter_engine_valves cat_race_parts_gta_r filter_book_mechanical_main filter_twinspark_valve_gear cat_std_parts_105_all filter_engine_cylinder_head cat_standard_parts filter_twinspark_engine_internals