Cylinder Head Rethread Kit

High quality threading tool from America.
Saves the cost of a new cylinder head. Repairs stripped or damaged threads in aluminium cylinder heads. Solid steel inserts replace damaged threads and eliminate the possibility of 'coil windout'

Set includes Tap/Reamer tool and 3/8", 7/16" and 3/4" inserts.
The Tap/Reamer has a 21mm Hex head.