The cowls are made up of two sides, a nose ring, and two plates that form the inside of the scoops. Fit was good, however to get them to fit on the nacelles a little trimming and tapering was needed
on the duct plates. There is no definite fit for the cowls to the nacelles except for the aft end of the air ducts so some planning is needed there. Don't leave any extra pour block on
the back of the engines. I drilled out the engines for music wire prop shafts. The engine cyliners had to be sanded down on top to fit the cowls which was done carefully as almost
all the material down to the pushrod ends had to go before they fit far enough forward so the nose case was positioned properly. I probably should have added ignition rings and wires but got lazy.