Manufactured by SPI Includes everything pictured to repair one upper A-Arm Made in Taiwan Kit Includes 4 - Nylon lock nuts (Replaces OEM# 7547423) (part 1 in diagram) 2 - Pivot shafts (Replaces OEM# 5138460) (part 2 in diagram) 2 - Bushings (Replaces OEM# 5450297) (part 3 in diagram) 2 - Washers (Replaces OEM# 7556758) (part 4 in diagram) Fits the following models 2015 Polaris 600 Rush Pro-S 2015 Polaris 600 Switchback Adventure 2015 Polaris 600 Switchback Pro-S 2015 Polaris 800 Rush Pro-S 2015 Polaris 800 Rush Pro-X 2015 Polaris 800 Switchback Pro-S 2015 Polaris 800 Switchback Pro-X