They only weigh 4 lbs and they fit great with lazer cut mounting brackets

BMP primary spring

Stage 1 Clutch kit

Its warning could even save your engine from bad damages

This kit includes our magnetic adjustable Goldstar clutch weights and custom primary spring

Air Intake Internal / Catalyst primary washer They only weigh 4 lbs858 Bogging Fix Kit comes with 3 Intake Covers. Dont let engine bogging ruin your day of riding! This Intake mod keeps you riding all day, worry free! The Catalyst 858 are all prone to engine bogging. Especially when exhausts, engine tuning, or forced induction mods are added with increased power. These have an aluminum frame combined with hydrophobic skin. This mod will also gain HP with added airflow. Trace out. 2 holes hole cover (1"3 8in drill