Maximize the effectiveness of your motors cooling fan with a 1up Racing UltraLite 30mm Fan Shroud! Designed and Made in the USA by Vargr Industries with high quality materials and the latest 3D printing technology, our fan shrouds are strong while keeping the overall weight incredibly light. A perfect match for the 1up Racing UltraLite 30mm Aluminum Cooling Fan but are fully compatible and look great with any 4-hole 30mm fans. 4wd Buggy Top Mount is a two-piece design that mounts to the top of the center bulkhead and has been tested to fit the AE B74.2, TLR 22X-4 and XRAY XB4 23. This replaces the standard fan mount with a fully ducted setup to direct all air towards the motor for the best cooling possible. Weighs only 3.9 grams with the included hardware!