Spicer 313240-3X Baffle Shim Kit is a mainshaft oil-baffle and shim set for Tremec/TTC transmissions. The kit (also cataloged as 3132403X) includes an oil baffle and shim components used during mainshaft service to manage oil flow and proper spacing. In Tremec/Spicer technical literature, 313240-3X is described as a Baffle and Shim Kit for the mainshaft, confirming its role in maintenance and assembly of the mainshaft package.
