AFCO Shock Piston - Linear/Digressive - 46 mm OD - Blue 1443A04 They are battery powered and

They are battery powered and feature a rechargeable battery which can provide up to 5 hours of use from a full charge

Each carburetor inlet features a ball and socket assembly that swivels +/-20 degrees

and inset pockets

resulting in better fit and less material bunching when holding the wheel

AFCO Shock Piston - Linear/Digressive - 46 mm OD - Blue 1443A04 They are battery powered andProduct Description: Shock Piston Linear Digressive 46 mm OD Aluminum Blue Anodized Sold Individually The AFCO advantage is available in thousands of products for a wide range of applications. AFCO's passion to be the best is the reason that professional racers have relied on AFCO products for over two decades. AFCO's winning products start with winning design and engineering.