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12 AN Female O-Ring Inlet
Carburetor Base Plate Gasket
Made with fire retardant Nomex and Kevlar
AN-10 size with a 40 micron stainless steel element and black anodize finish
Dominator kits are 3-circuit metering blocks
Allstar Performance Wide Open Throttle Micro Switch 13021 12 AN Female O-Ring InletBlack anodized microswitch brackets are made from lightweight billet aluminum and fit Holley 4150 and 4500 carburetors for precise activation of the microswitch. Brackets work with the standard secondary arm as well as a throttle adjust ment screw secondary arm. Each kit includes a bracket, microswitch, and stainless steel hardware to secure microswitch to the bracket. ALL54180 includes stainless hardware for mounting bracket to carburetor. ALL54181
