Wehrs Machine 6th Coil - 4.000" Spring - 1" Longer - Aluminum - Black 355013 Both options offer superior road

Both options offer superior road handling over stock 4-leaf designs

Simply remove the stock filter

5 in / 2-5/8 in Diameter

As the world's largest racing

Narrow Drum Allows Easier Mounting In Tight Spaces

Wehrs Machine 6th Coil - 4.000" Spring - 1" Longer - Aluminum - Black 355013 Both options offer superior roadProduct Description: 6th Coil Bolt On 4 in Spring 1 in Longer Aluminum Black Anodized Wehrs produces custom machined chassis and engine components designed for racing use. Their lineup includes everything from mounting brackets to cover panels, birdcage assemblies, and much more. Many of their parts are made from lightweight aluminum. They also offer a number of specialty tools. Wehrs Machine & Racing Products have provided racers with quality parts