Proudly 100% Made in the USA, from design and materials to manufacturing, packaging, and shipping.
This precision bracket is CNC laser cut, brushed to a uniform finish, and CNC press-bent to exact standards for a perfect, repeatable fit.
Each kit ships with two (2) 2-ft pre-terminated lengths of high-quality Automotive Grade SXL wire.
Need more? Just leave a note — I’ll include up to 10 ft of each wire FREE.
Shipping is FREE!
I stand behind every kit I sell. If you have any issues, reach out via eBay or email; I’ll respond ASAP and help you out. This kit has sold 50+ times, and I personally run and tested it on my own classic vehicles for over 2 years.
Perfect for TH400/ST400 kickdown or as a universal wide-open-throttle (WOT) trigger for performance applications. Tested on my 1982 Corvette and 1975 C20.
Durable Stainless Steel Construction – Rust-resistant and built to last
Precise WOT Activation – Reliable snap-action microswitch engagement at full throttle
Compatible with Holley 4160 & Similar Carburetors, Check for the 2 mounting holes before ordering!
Universal Functionality – Ideal for Kickdown, NOS, electric fuel pump staging, cooling fan override, water-meth injection, exhaust cutouts, and more
Flexible Wiring – Works as both normally open or normally closed
Complete Kit – Includes bracket, microswitch, hardware, and pre-terminated wiring
Made in the USA – Quality craftsmanship and fast shipping from the USA
TH400 / ST400 Kickdown Control
Nitrous Oxide (NOS) Activation
Electric Fuel Pump Staging
Cooling Fan Override
Water-Methanol Injection Trigger
Exhaust Cutouts
Shift Light Activation
Timing Retard Trigger
Material: CNC Laser-Cut Stainless Steel
Includes: Bracket, microswitch, mounting hardware, (2) pre-terminated wires
Fits: Holley 4160 & similar carburetors (such as Summit Racing carbs)
Condition: Brand New
Whether you’re restoring a muscle car, building a restomod, or setting up a race-ready hot rod, this stainless steel microswitch bracket kit delivers reliable WOT activation for a transmission kickdown or any custom performance setup.