Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! Holley Ultra XP carburetors are the ultimate in square bore race carburetors! CFM:750 CFM.
Holley 4500 dominator carburetor spacer Ultra High flow 2" carbon fiber PC USA
HOL- 134-78S Holley 4150 4500 Ultra XP Carburetor Polished Fuel Bowl Glass Sight
Redhorse Carburetor Fuel Inlet 5950-08-2; Holley Dual Feed, Ultra XP, Black
Holley Carburetor 0-80804HBX; Ultra XP 850 cfm No Choke Mech Sec Gray/Black
Holley Carburetor 0-80803HBX; Ultra XP 750cfm Mech Sec, No Choke, Black/Gray
Holley Carburetor 0-4412HBX; Ultra XP 500cfm 2bbl, No Choke, Black/Gray
