Wyatt Gatling Polished Rear Master Cylinder for 1979-1983 Harley-Davidson Big Twin and SportsterWyatt Gatling Polished Rear Master Cylinder for 1979 1983 Harley Davidson Big Twin and Sportster Mushy brakes are a bummer. Instead of overhauling your tired OEM master cylinder, you can swap in this complete, ready to install unit. 5 8" bore Not all models use this master cylinder; please verify your bore size before ordering Accepts OEM style rebuild kits for ease of future repair Accepts M10 1. 00 banjo bolt Adapter for flare type fitting included

Handmade and precision TIG welded to ensure strength and durability

Combines both a stainless steel baffle and RaceTEX cartridge packing

(2) axle plate mounting tabs

Moto Iron Solo Seat Springs

Moto Iron Exhaust Gaskets for Harley-Davidson Shovelhead 1966–1984

The exhaust will accept either 12mm or 18mm oxygen sensors

If you're mounting a Super E and have either no bracket or find the cable guide at the carburetor is incorrect for the cables on your motorcycle

A 19" rear wheel is also an excellent choice for a chopper that's meant to have that tall

If you wanna grab a knobby and you have a 16" rear

A diagnostic LED indicator is included on the back of the control module to assist trouble shooting and static timing

High-quality paper filter medium

Deflective disc valve stacks