2012-23 M-Series/Proclimb/Alpha Arctic Cat Tunnel Stiffener /Bumper kit Color:White They are 15

They are 15

We find the stock steering post location on the Yamaha Nytro is too low and in combination with the fixed riser block makes for difficult turning

Polished finish

065 6061 aluminum and is much stronger then the oem cap

it is TIG welded and heat wrapped to reduce under hood heat

2012-23 M-Series/Proclimb/Alpha Arctic Cat Tunnel Stiffener /Bumper kit Color:White They are 15Our Cr racing 2012 23 M Series Proclimb Alpha Tunnel stiffener Rear Bumper Kits are designed to help strengthen the stock tunnel for purposes such as hauling extra fuel gear ,Towing or just repairing a damaged tunnel . The rear bumpers are designed to have way more grabbing room and now come with an optional bracket to support the stock snow flap . We have also added lower gussets made from . 125 x 6061 Aluminum to replace the factory ones for