throttle addiction

This Evolution Big Twin banner is designed to resemble the MoCo shop manuals of the glory days. This heavy duty vinyl banner can take all the spark...

Each one of our Harley Evolution Leather Patch hats was designed and made at our HQ by our very own hands. After many hours of designing, creating,...

This Evolution motor T- Shirt is all business with no frills, flames, eagles, or other unsightly and slightly douchey accouterments you commonly se...

Harnesses are made to order, please allow upto 1 week production time.  Looking for a simple solution to all your Evo Sportster wiring problems? De...

This Evolution Sportster banner is designed to resemble the MoCo shop manuals of the glory days. This heavy duty vinyl banner can take all the spar...

The Factory Service Bulletin, VOL. 4, for 1957-1969 Big Twin is a compilation of service bulletins covering great tips from the people at the facto...

Factory Service Bulletin, Shop Dope Vol. 3 for 1941-1956 is a compilation of tips from the factory to the dealers and is great for trouble shooting.

These slick little spark plug boots offer something different for an often overlooked part.  The finned details catch the eye and ensure jealousy. ...

These slick little spark plug boots from Add On Inc. offer something different for an often overlooked part.  The finned details are sure to stand ...

Throttle Addiction Flanders style risers are constructed from cast stainless steel and polished to a mirror shine.  These require ½” X 20 TPI mount...

Throttle Addiction Flanders style risers are constructed from cast stainless steel and polished to a mirror shine.  These require ½” X 20 TPI mount...

Throttle Addiction Flanders style risers are constructed from cast stainless steel and polished to a mirror shine.  These require ½” X 20 TPI mount...

Throttle Addiction Flanders style risers are constructed from cast stainless steel and polished to a mirror shine.  These require ½” x 20 TPI mount...

Flat top , concealed bolt aluminum handlebar risers.  The top cap bolts are installed from underneath leaving a completely clean smooth top.  100% ...

Laser cut from .135" thick mild steel, this light mount is designed to fit our Ford tail lights.  This is a great add on to your sissy bar project....

Laser cut from .135" thick mild steel, this plate mount is designed to fit our Ford tail lights.  This is a great add on to your sissy bar project....

Laser cut from .135" thick mild steel, this plate mount is designed to fit our Ford tail lights.  This is a great add on to your sissy bar project....

This flat tunnel base makes Frisco mounting any tank a snap!  Cut to suit and weld to your custom tank or one of our sporty tank shells. Measureme...

This classic Sportster gas tank has been set up with a low "Frisco" tunnel to maximize fuel capacity and sit high and stylish on the backbone. Comm...

This tank has a classic Wassell shape with a Frisco tunnel.  It sits high and level with your frame backbone.  Features: Undrilled mounting tabs ...

Chrome and glass mini fuel filter features nylon filter unit and is 1/4"

Chrome and glass 5/16" mini fuel filter features nylon filter unit. See thru design makes it easy to observe fuel flow.

For 84-06 Keihin butterfly and CV carburetors Accepts 1/4" fuel line Solid brass fitting

Low-profile, vented gas cap for bobbed tanks. Aluminum with a chrome finish, screw-in type.  Fits all makes of Harley Davidson models 1982 and up.

Weld on gas tank mounting tabs for custom tank building.  Thick 1/8" steel.  Pre-curved to match the backbone of your frame. Save yourself time and...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

This kit includes everything you need to install a sight gauge into a gas tank.  Colorful fuel line options add some style as well as functionality...

Looking for a simple solution to all your Generator Big Twin wiring problems? This stripped down chopper harness has you covered. This stripped dow...

This Shovelhead motor keychain will add a little class to your key ring.  It's cut from 9mm thick veg tanned leather that will age beautifully.  Ma...

Die-cast clamp for most 74-17 models with 3-1/2" on-center risers and offset mounting holes Fits 1" OD diameter bars CLAMPING AREA DIAMETER25.4...

Chrome-plated rear caliper bracket for hardtail frames. Fits rigid models with 11 1/2" brake rotor.  Mounting holes for the caliper are 3.5" apart ...

These hardtail sissy bars designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.  Sissy bar...

These hardtail sissy bars designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.  Sissy bar...

Harley 39 mm Fork Tube Extensions -  2" These 39 mm Fork Tube Extensions are a quick easy solution to adding a little length to your front end. Doe...

These 39 mm Fork Tube Extensions are a quick easy solution to adding a little length to your front end. Does not require disassembly of fork lowers...

Reproduction AMF Harley Aermacchi racing pegs.  HD Parts numbers 50506-75P and 50507-75P.  Great for that reproduction project, or mount 'em on you...

Reproduction AMF Harley Aermacchi racing pegs.  HD Parts numbers 50506-75P and 50507-75P.  Great for that reproduction project, or mount 'em on you...

Harley Big Twin Voltage Regulator Mount - Stainless Steel This voltage regulator mount bolts cleanly to the front two motor mounts on your Harley B...

Harley Big Twin Voltage Regulator Mount - Stainless Steel This voltage regulator mount bolts cleanly to the front two motor mounts on your Harley B...

This coil mount from Throttle Addiction is designed to fit Harley Davidson Panhead, Shovelhead, Evolution, Big Twin frames.  They will bolt directl...

This coil mount from Throttle Addiction is designed to fit Harley Davidson Panhead, Shovelhead, Evolution, Big Twin frames.  They will bolt directl...

We can't resist lasering stuff onto blank canvases, like a derby cover such as this. Hell, you have to have a derby cover, why not make it do some ...

We can't resist lasering stuff onto blank canvases, like a derby cover such as this. Hell, you have to have a derby cover, why not make it do some ...

 We can't resist lasering stuff onto blank canvases, like a derby cover such as this. Hell, you have to have a derby cover, why not make it do some...