Throttle Addiction is excited to announce that we have purchased all assets and rights to production for the Haifley Bros line of sportster hardtail kits and motorcycle parts. We will continue producing these parts at the highest quality using the...
This weld on Sportster hard tail kit will transform you stock swing arm evolution Sportster into a hard tail chopper in minimal time. This Kit was original designed and manufactured by the Haifley Bros in Phoenix Arizona. Throttle Addiction...
This oil tank is designed to fit perfectly with the Throttle Addiction weld on Evolution Sportster hardtail. The center opening is spaced such that an a battery can be placed in it. It is intended to use our Antigravity battery mounting...
Designed for use with our Evolution Sportster Hardtail Kit.
This 3/8" thick weld-on caliper bracket works with the stock 2000-2003 HD Sportster rear disc brake caliper (not included).
Includes two piece bracket and retaining hardware.
Made 100% in the...
Chrome Rear Axle Adjuster Bolts fit our Sportster hardtail kits.
Sold in Pairs
3/8" X 24TPI X 3" long
fits 48-72 Harley Big Twin and custom applications, OEM# 41576-36
Fits our Sportster hardtail kits.
These hardtail sissy bars designed for use with our Evo Sportster Hardtail Kit, and 5" flat fender, but can fit on most hardtail frames.
Choose from our classic standard height bar or the new "Shorty" bar.
Sissy bars are assembled and ready for...
Seat pans are designed to fit perfectly with our Sportster Evo Deluxe Hardtail Kit.
16 gauge steel.
100% Made in the U.S.A.