Thread Repair Kits

All is not lost! It is possible to repair high-performance engines with damaged block threads and cylinder heads with damaged spark-plug holes.

Qnkaa 151pcs Thread Repair Kit Helicoil Insert Sleeves Metric M5 M6 M8 M10 M12 Stainless Steel Tap Drill
Amazon.co.uk
5.0
£29.50
Qnkaa 151pcs Thread Repair Kit Helicoil Insert Sleeves Metric M5 M6 M8 M10 M12 Stainless Steel Tap Drill
Amazon price updated: 2025-07-10 16:22

CCLIFE Helicoil Thread Repair Tool Kit M5 M6 M8 M10 M12
Amazon.co.uk
5.0
£41.08
CCLIFE Helicoil Thread Repair Tool Kit M5 M6 M8 M10 M12
Amazon price updated: 2025-07-10 16:22

88pc Thread Repair Set Kit Helicoil M6 M8 M10 Thread Inserts Taps & Drill Bits
Amazon.co.uk
5.0
£20.88
88pc Thread Repair Set Kit Helicoil M6 M8 M10 Thread Inserts Taps & Drill Bits
Amazon price updated: 2025-07-10 16:22