Surborder Shop Spark Plug Insert CAL389-100 14mm Insert for 4 6L 5 4L and 6 8 V-10 Triton Two Valve Engines
- High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer..
- Use on 4. 6L, 5. 4L and 6. 8 V-10 Triton Two Valve Engines.