Manley, Valve Spring Top Collar Set. Steel for 84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL
by Manley
£36.03
SKU MCS513887
Description
Manley, valve spring top collar set. SteelDetails
OEM style replacement precision machined steel valve spring top collars. Note: Manley suggests the use of 513888 titanium top collars on high lift applications. They provide increased strength and reduced inertia mass which allows you to run higher R.P.M.'s without valve float.84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL