AIR CLEANER ADAPTER AND RISER KITThis 4 piece kit includes two air cleaner adapters to adapt 5 1/8" neck (2 or 4bbl. carb) air cleaners to 3" and 2 5/8" 2bbl. carburetor necks. Also includes two air cleaner risers that combine for three height adjustments to help space the air cleaner upward to clear throttle or transmission linkage.