ALLSTAR PERFORMANCE WOT Micro Switch Bracket 4150 ALL54180

ALLSTAR PERFORMANCE Nitrous Micro Switch - Bracket Included - Holley 4150 Carburetors - Kit.
SOME MODEL CARBURETORS MADE NEED TO TAP THE MOUNTING BOSSES WITH AN 8-32 TAP FOR INSTALLATION..THESE WILL NOT FIT QUICK FUEL CARBS WITH MECHANICAL SECONDARY LINKAGE.