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 M52
£985.44
Supertech Dual Valve Spring and Retainer Kit BMW M54
£985.44
Supertech 6mm Triple groove keeper – 7 Degrees BMW M52
£1.73
