Features & Benefits
- Repairs 14mm tapered seat and gasketed spark plug ports in aluminum and cast iron heads
- No drilling required
- Includes: tap, expanding tool & one each of 3 sizes of inserts.
- 98142 - 1/4” Insert
- 98143 - 3/8” Insert
- 98144 - 5/8” Insert
- Pro-Thread Kit MTC 14 - 1.25