* Designed for Harley-Davidson heads
* Use with .420 Viton # AV-V312420B or OEM valve seals
* Manganese-Bronze
* .050" shorter seal area for high lift applications
* Profiled for optimum airflow.
* High temp viton o-ring seal
* Smooth lead-in
* CNC machined
* Guide ID unfinished
* OD = .5635" Std size
* ID = .3090"
* AV-VGRC-3120 Reamer recomended for AV&V guides & valves
* Sold Each.
