Billet Proof Designs

Billet Proof® “Blank” OEM Style Battery Box with Clamp for Harley Davidson Battery Part #65989-97B - Belt Style, Flat Or Welded, Made In The USA

Billet Proof® "Swiss" Battery Box for Antigravity Batteries® AG-1201 and AG-1601 - Steel - Clamp Style - Comes Flat or Welded - Made In The USA

Internal Throttle for 1 " Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return

Billet Proof Designs - Tophat Stepped Bung with Flange – 1/4” NPT Tapered Thread – Great for Mounting Fuel/Oil Valves, Petcocks, Elbows and Outlets - Aluminum - Made In The USA

Billet Proof® Fuel Hose Style External Fuel Gauge Kit for Motorcycle Gas Tanks - Yellow Tygon Hose w/ Aluminum 1/8” Stepped Flanged Tophat Bungs and Nickel Plated Elbows

Billet Proof® Hose Style External Fuel Gauge for Gas Tank - Clear Hose w/ Aluminum 1/8” Stepped Flanged Tophat Bung and Nickel Plated Elbows

Billet Proof® Fuel Hose Style External Fuel Gauge for Motorcycle Gas Tanks - Yellow Tygon Hose w/ Flush Mount Steel Bungs and Nickel Plated Elbows

Billet Proof® Fuel Hose Style External Fuel Gauge Kit for Motorcycle Gas Tanks - Clear Hose w/ Flush Mount Steel Bungs and Nickel Plated Elbows

Rocker Box Oil Pressure Gauge Mounting Kit for 1984-1999 Harley Big Twin Evolution Engines on Touring, Dyna, FXR & Softail Models - Comes with Chrome 1/8" NPT Fittings & a Polished Stainless Steel Gauge Mount

1/8” NPT Oil Pressure Gauge Adapter - Chrome, For 1970-1999 Harley Davidson Big Twin Case, Made In The USA

Oil Pressure Gauge Adaptor - Chrome - For 1936-1969 Harley Davidson Big Twin Case - 1/8" NPT Fitting - Made In The USA

Chrome Bayonet CAM Style Vented Gas Cap for 1936-1973 Harley Davidson Models - Replaces HD 61103-36