Supertech valve keepers (also known as collets) are precision machined using high quality material to give a finished product worthy of Supertech’s established reputation.
Supertech Dual Valve Spring and Retainer Kit BMW S50B30
£803.01
Supertech Dual Valve Spring BMW S50
£16.16
Supertech 6mm Triple groove keeper – 7 Degrees BMW S50B32
£1.73
