SKU: 671010


Source: Custom Chrome

Valves consist of micrograin cast iron or magnese bronze. This long-lasting, bearing material allows you to fit the valve at a tighter clearance for better heat dissipation and longer life! " CNC-machined " Special hi-temp, Viton O-ring to prevent oil infiltration between guide and head " Non-slip surface helps valve seals " Tapered and radiused nose for easier installation and better intake and exhaust flow " Unfinished I.D., ready to be honed or reamed after installation " Use with .530" valve seals Fit both intake and exhaust on all Evolution® Big Twin and Sportster® models from 1984 thru 2003, and Twin Cam 88® models from 1999 to present. Sold each.