the Biltwell stainless steel Thunder riser is the ticket

The perfect replacement for H-D OEM part number 47-57 CL HDW

so you always have a spare

and 1971-1972 FX

fine-tuning your ignition has never been easier

Big Sucker Stage 1 Air Filter Kit - Chrome - 1988-2020 Harley-Davidson XL DISCONTINUED the Biltwell stainless steel ThunderThis is a super clean and simple high performance air cleaner, we have used these on several shop bikes including the new Saturday Sportster Tracker project! For full fitment please see the additional information tab below. One piece aluminum backing plate carb support bracket with patented hidden breather technology and radius air inlet Breather passages exit at the mouth of the carburetor throttle body, creating a virtually closed loop system Kit