Made from 100% stainless steel, this bracket is rust-resistant and stronger than aluminum or plastic alternatives. The included snap-action microswitch ensures precise and dependable activation at full throttle. Perfect for TH400/ST400 kickdown, nitrous control, fuel pump staging, cooling fan override, water-meth injection, exhaust cutouts, shift lights, or other custom performance applications. This complete kit includes everything you need for installation—bracket, microswitch, stainless hardware, and connectors. With support for both normally open and normally closed wiring setups, it offers flexibility for any project. Included in the Kit: Stainless steel bracket with pre-mounted snap-action microswitch Spade connectors and heat shrink Stainless steel mounting hardware Specifications: Material: Laser-cut stainless steel Fits: 4160 and similar carburetors (including Summit Racing models) Function: Wide-open-throttle activation for kickdown or custom use