Valve collets

Manufacturers

Valve collets

Valve collets

Valve collets 

There are 13 products.
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Valve collets
A valve collet is the small tapered piece that locks the retainer onto the valve stem and holds the whole spring stack in place. Thirteen part numbers are active here. They are chosen on two criteria only: the number of pieces in the set, from 6 to 24 depending on how many valves are being fitted, and the stem diameter, from 5 to 7mm. Two makers appear, Ferrea, whose numbers begin with K10, and Supertech. No listing targets a specific vehicle: the part is interchangeable as soon as the size matches. Renewing collets at the same time as the springs is cheap insurance, since wear on the taper is invisible to the naked eye and a failure takes the cylinder head with it.