TRA5254 Header spring/ gaskets (TRX 2.5, 2.5R, 3.3) by TRAXXAS $4.98 Inventory : 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This is the Header Spring and Gaskets from Traxxas for the TRX 2.5, TRX 2.5R and the TRX 3.3 Engines FEATURES: Spring constructed of steel INCLUDES: One header spring One black rubber gasket One white nylon gasket REQUIRES: Fastening header to engine with spring