Arlen Ness Big Sucker Stage 1 Air Cleaner Kit 18-510

The Arlen Ness Big Sucker Stage 1 Air Cleaner Kit, part number 18-510, features an all-in-one backing plate with a built-in carburetor support and breather tunnels at each cylinder head. The breather tunnel design helps decrease crankcase pressure, with each tunnel exiting at the carburetor mouth to create a virtually closed-loop system.

This kit includes the Big Sucker aluminum backing plate, a high-flow air filter, two chrome banjo bolts, necessary hardware, and instructions. It fits select 2008–2016 Harley-Davidson FLT models and the 2015 Harley-Davidson FLST. It will not fit the 2016–2017 FLSTB. The kit is supplied as a set.

Features:

• All-in-One Backing Plate: Combines the backing plate and built-in carburetor support.
• Breather Tunnels: Built-in tunnels at each cylinder head help decrease crankcase pressure.
• Closed-Loop Design: Each breather tunnel exits at the carburetor mouth.
• Air Filter: Includes a high-flow air filter.
• Hardware: Includes two chrome banjo bolts and necessary hardware.
• Fitment: Fits select 2008–2016 Harley-Davidson FLT models and the 2015 Harley-Davidson FLST.
• Fitment Note: Will not fit 2016–2017 FLSTB.