Having trouble hooking up that power plant during the hot summer months? Water truck driver go on vacation for the summer? Try one of our restrictor spacers! This is a 2" billet 4-hole carb spacer that will help to de-tune your engine for slick race tracks. This spacer will decrease power between 75 and 100 hp pending on application. For more info email@theperformanceconnection.com $175.00 plus freight.