solid aluminum risers feature smooth riser clamps for a clean

Mild steel tophat 1/8" NPT bungs

the other firing the right (added) plugs

Softail and all 1991-05 Dyna including Twin Cam

which are rubber mounted

#8309 CAD Complete Stock Hardware Kit - 1937-1973 Harley-Davidson 45 with Aluminum Head - CAD Plated Petcock Thread_In-Line solid aluminum risers feature smoothComplete stock hardware kit for Harley Davidson 45 with aluminum heads 1937 1973, CAD plated. Each kit contains all the stock motor nuts, bolts, washers and studs for your motor. The kit includes primary cover screws, lifter base screws, circuit breaker screws, case studs and nuts, timing plug, cam cover screws, cylinder base nuts and washers, oil pump nuts and bolts, transmission side cover nuts and washers, transmission top screws, transmission fill