The Chelsea 4P90 (also referenced as 4-P-90) is a Spacer 2625 used in Chelsea 700 Series Power Takeoff units. Manufacturer illustrated parts literature identifies this spacer as item 5 in the 700 Series PTO assembly, with a quantity of one per unit. It is a direct-fit replacement spacer for that specific PTO build. Call us to confirm proper fit for your application before ordering.FeaturesChelsea part number 4P90, also referenced as 4-P-90Spacer 2625 designation per Chelsea manufacturer literatureItem 5 in the Chelsea 700 Series PTO illustrated parts listQuantity: one spacer per PTO unitDirect application: Chelsea 700 Series Power TakeoffUsed in this Chelsea PTO model700 Series