providing the proper breathability for your motor while keeping a slim profile and a completely custom look

it bolts directly onto your bike with no modifications or welding required

• Accepts 3/8" NPT or 1/4" NPT petcock (Left side 1/4"

Time to rebuild those leaky

#7503-1 Oversized Drain Plug 1965-Up Harley-Davidson Big Twins 1967-Up Sportster - Chrome Plated Bar Diameter_7/8 inch providing the proper breathability forChrome Plated Oversized Drain Plug Only Fits Harley Davidson Big Twins 1965 up and Sportster 1967 up NOTE: To use this you will need to tap the hole before installing the new drain plug with a 9 16 x 18 tap . The hex on this plug measures 3 4", Made in Ohio, USA.