Check the listing for details. NEW OEM Wilson Manifolds 810011 UNIVERSAL Nitrous Pro Flow WOT MICRO SWITCH ONLY. Condition: New. Listed at 20.99 USD. NEW OEM Wilson Manifolds 810011 NITROUS PRO FLOW Universal WOT Wide Open Throttle Replacement Micro Switch for Holley Carburetors Free First Class Shipping & Free Returns UPC: 191215152872 SKU: WM-810011-15DT 15A, SPDT, Normally Open (NO)/Normally Closed (NC) switch with 3 spade terminal connectors. Fits Holley carburetors #4150, #4500 & Gen III Ultra, Race Demon, Street Demon and King Demon. Switch only - Sold without bracket.​ Includes 3 Female, 16-14 gauge, fully insulated, .25", blue wire spade disconnects. High-performance, high quality automotive component for racing, street and off-road use. This Wilson Manifolds, Nitrous Pro Flow, switch provides reliable, consistent nitrous activation and features high quality construction and durability. Specifications: Part No: 810011 Carburetor Manufacturer: Holley Carburetor Models: 4150, 4500 & Gen III Ultra, Race Demon & Street Demon Mounting: Through Hole Pole Throw Configuration: SPDT Switch Configuration: NO/NC Replacement Switch for the following interchange part numbers: WLS-732101, WLS-732201, WLS-732301, WLS-732401, WLS-732501, WLS-732601, WLS-810011, WSN-810011, WLS810011, BJZX810011. All switches tested for continuity. FAST FREE SHIPPING. Ships within one business day. Seller pays USPS First Class shipping. Domestic Returns within 30 days at the Seller's expense. Drive Safely!