External leaks and lost line pressure both trace back to gaskets and seals that hardened with age and heat.8L90 Overhaul GASKET KIT STK. This set covers the gaskets, seals and o-rings a rebuild replaces to restore fluid containment and hydraulic pressure.The rubber is rated for the fluid the unit runs, so it stays pliable instead of hardening in the first heat cycle. Shipping weight is 2 lb.This listing covers the overhaul gasket kit stk only. The parts list below is exactly what ships. Compare it against your teardown before ordering.REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered. Overhaul Kit for 8L90 - replacement component designed for proper fit and function Designed to support proper case sealing, fluid retention and gasket seating during an overhaul service Package Includes: one overhaul kit as described, supplied loose for an overhaul service Gasket and seal construction sized to the original ports - designed for dependable service in the intended application. Ships at 2.00 lb, 16x16x2 in Intended for shops performing a teardown and reseal. Clean both surfaces to bare metal and torque the pan bolts in sequence to the service manual figure