Check the listing for details. New NX 15527 DOMINATOR 10a SPST WOT Nitrous Micro Switch & Bracket Kit FREE SHIP. Color: Blue, Condition: New. Listed at 28.99 USD. New NITROUS EXPRESS NX #15527 Nitrous Oxide NO2 SPST 10A Wide Open Throttle WOT Micro Switch & Bracket KIT for Holley 4500/4500HP Dominator Carburetors & Holley 4500 Generation 3 Dominator Carburetors UPC: 653374002981 SKU: FTP-15527-10ST Qty Part # Parts Included in Kit #15527: 1 15516 Universal WOT Switch: Heavy Duty, Snap Action, Limit switch. SPST, Normally Open (N.O.) 10 Amp, 2 Wire Quick Disconnects: Female, 16-14 gauge, fully insulated, blue, .25" spade terminal 1 15518 NITROUS EXPRESS Brand Dominator WOT Mounting Bracket including the screws, lock washers, washers and nuts to mount the switch. This Nitrous Express NX brand micro switch kit can be used to activate nitrous systems, solenoids, fuel pumps, and most anything else. The 10A switch works with most EFI vehicles with Dominator carburetors to trigger a relay at or near wide open throttle. Fits Holley or Holley-style bore 4500 Dominator four barrel carburetors: Holley 4500 Dominator; Ultra Dominator; Ultra Dominator HP: 750, 1050, 1150, 1250; AED Dominator carbs; Barry Grant: King Demon; Quick Fuel Technology Dominator 4500 Style Carbs: QFX, Race-Q, P Series, Q Series, 750, 1050, 1150, 1250, 1450; and C&S, APD (Allstar Performance), BLP (Bo Laws), Rupert, Willy’s, etc The switch can be adjusted by cutting and/or bending the long activation arm. UNIVERSAL Year Model Cylinders Liter Eng Desg. 0 - 0 Universal for DOMINATOR 4500 Carburetors, NON APPLICATION SPECIFIC ALL ALL ALL 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!