Edelbrock Nitrous Microswitch and Universal Bracket Kit #72279 is for use with Edelbrock, Barry Grant and Holley carburetors. Kit includes a snap-action microswitch, mounting hardware and a CNC-machined red anodized billet aluminum bracket.
Edelbrock Nitrous Microswitch and Universal Bracket Kit #72281 is for use with Holley 4500 Series carburetors. Kit includes a snap-action microswitch, mounting hardware and a CNC-machined red anodized billet aluminum bracket.
Edelbrock Nitrous Microswitch and Universal Bracket Kit #72282 is for use with Holley standard-flange carburetors without a choke (will not fit H.P. series). Kit includes a snap-action microswitch, mounting hardware and bracket.
Edelbrock Nitrous Microswitch and Universal Bracket Kit #72284 is for use with Barry Grant Race Demon carburetors. Kit includes a snap-action microswitch, mounting hardware and a CNC-machined red anodized billet aluminum bracket.
Edelbrock Nitrous Microswitch and Universal Bracket Kit #72285 is for use with Barry Grant King Demon carburetors. Kit includes a snap-action microswitch, mounting hardware and a CNC-machined red anodized billet aluminum bracket.