Description
Holley 650 CFM HP Baseplate is the OE baseplate that comes in the 80541 Holley 650 HP carburetor. The baseplate features a welded throttle shaft and idle bypass holes in the throttle blades for long duration cam shafts. The baseplate will work on any 650-800 cfm mechanical secondary carburetor that has 4 corner idle adjustments. Same as Holley 112-121.