These threaded steel bungs are 3/4" diameter and are drilled and tapped all the way through with 3/8"-16 thread

but with a reduced toughness / wear-ability when compared to premium C630 Nickel Aluminum Bronze valve guides

Front Axle Nut Kit Chrome Plated Fits 1946-71 Harley-Davidson Big Twins

we only provide you the highest quality of exhaust fabrication parts for motorcycle

Complete with washer and cotter pin

#NL-508 1/4-20 Chrome Plated Nylon Insert Nylock Locknut - 10 Pack Brand_Goodridge These threaded steel bungs areColony Machine #NL 508 1 4 20 Chrome Plated Nylon Insert Nylock Locknut. Size: 1 4 20 Bag of 10 pieces. Made in Ohio, USA.