Alpha Rider Kickdown Microswitch Replacement for Edelbrock ST400/AVS2 — Billet Aluminum Bracket, Direct-Fit

The Alpha Rider Kickdown Microswitch for ST400 Edelbrock AVS2 is a direct-fit snap-action switch and billet bracket kit designed to replace worn kickdown switches on Performer/AVS2 carburetors.

This compact replacement assembles the precision microswitch with a CNC-style aluminum alloy mounting bracket and hardware, giving you a sturdier, longer-lasting alternative to the original plastic parts. It restores reliable throttle-kickdown signal switching and preserves factory form and fit while resisting corrosion and deformation under repeated use.

Will this fit my Edelbrock Performer or AVS2 carburetor?

Yes — the kit was designed to match the OEM geometry and mounting points used on Edelbrock ST400/AVS2 kickdown setups. It replaces the original microswitch assembly without modifying the carburetor or throttle linkage.

• Direct-fit dimensions for ST400 and AVS2 models.
• Mounting holes aligned to original equipment spacing.
• No alteration of throttle linkage required for typical installations.

How do I install the Kickdown Microswitch with minimal fuss?

Installation is straightforward: remove the old switch and bracket, fit the billet bracket in the same location, secure it with the supplied bolts, and attach the microswitch. Basic hand tools are sufficient, and the part is engineered to match factory clearances so setup is fast.

• Remove original switch assembly, keep or discard old hardware.
• Fit aluminum bracket, align holes, and tighten supplied bolts evenly.
• Plug in or wire the microswitch to the existing connector, confirming actuator alignment.

What materials and durability can I expect from this replacement?

The bracket is made from aluminum alloy rather than plastic, so it resists cracking, crushing, and corrosion that commonly affect stock components. The snap-action microswitch is built for repeated cycles, offering dependable electrical contact and tactile action under normal throttle use.

• Billet aluminum alloy bracket resists deformation under torque.
• Corrosion-resistant finish suitable for engine-bay exposure.
• Snap-action microswitch rated for repeated mechanical cycles.

What exactly comes in the Alpha Rider kit?

The package contains a ready-to-install microswitch and a robust billet mounting bracket, plus the two fastening bolts needed to secure the assembly. Everything is matched to the original equipment's form so replacement is hassle-free.

• 1 x snap-action microswitch factory-wired for kickdown use.
• 1 x billet aluminum alloy bracket pre-drilled for bolt holes.
• 2 x fastening bolts sized to fit original mounting locations.

Who is this for: This Alpha Rider Kickdown Microswitch kit is aimed at mechanics, restoration builders, and performance enthusiasts who maintain or upgrade vehicles using Edelbrock Performer or AVS2 (ST400) carburetors. Choose this kit if you want a direct-replacement part that improves durability over plastic brackets, simplifies installation, and restores reliable kickdown switching without modifying the carburetor.

If you encounter any issues while ordering or installing the product, Alpha Rider provides customer support to help resolve problems promptly and ensure satisfactory after-sales service.