Both type journal bearing included the HX35/HY35/HX35W/HX40 style and the HE351/HE351CW/HE341 grooved style bearing.. This stepped gap seal provides a superior seal over the stock type oil seal ring.. It greatly reduces the build up of power robbing deposits due to oil leaking through the seal into the turbine housing and on the turbine wheel.. For Holset HX35 HX35W HY35 HX40 HE341 HE351 HE351CW Turbo. Gaskets are fiber material with controlled-swell styrene butadiene rubber binder and can withstand 375F temperatures..
