Holley 4150 Aluminum ULTRA XP 650 CFM CIRCLE TRACK HSQR The 95-durometer polyurethane bushings effectively

The 95-durometer polyurethane bushings effectively minimize wheelhop without contributing to road noise or driveline vibrations

083" wall aluminum tubing and pre-bent to match the contours of the template noses

(meaning you see the layered pattern in the grain from front to back) includes sculpted finger grips

Extreme suppression capabilities prevent electronic interference

Eliminates the necessity of routing multiple wires to the CS / CTS Monitor

Holley 4150 Aluminum ULTRA XP 650 CFM CIRCLE TRACK HSQR The 95-durometer polyurethane bushings effectivelyXtreme Performance Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They're available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Circle Tracks are