Still using 1950's technology? Upgrade your carburetor with PROFORM's new race-oriented billet metering blocks. Each unit is CNC machined from solid billet aluminum for added strength and durability and features changeable idle feed restriction, 4 emulsions for more aggressive tuning, and additional racing application upgrades.

Features:
Race-Oriented Calibration Model
  • Fits Holley® 4150 and 4160 Models
  • Black Anodized Finish
  • Made from Billet Aluminum
  • Sold Individually
  • More From This Category

    Proform , Rebuild & Repair Kit for 600-850 CFM Carburetors, For Double-Pumper Carburetors

    Proform , Rebuild & Repair Kit for 600-850 CFM Carburetors, For Double-Pumper Carburetors

    $117.31

    View
    Proform , Harmonic Balancer Installation Tool, Fits Chrysler/Dodge/Jeep; 2006 and Up; M14 x 1.5, 9

    Proform , Harmonic Balancer Installation Tool, Fits Chrysler/Dodge/Jeep; 2006 and Up; M14 x 1.5, 9

    $89.26

    View
    Proform , Radiator System, Slim-Fit, 1967-69 Camaro/Firebird, LS Conversion; Automatic Transmission

    Proform , Radiator System, Slim-Fit, 1967-69 Camaro/Firebird, LS Conversion; Automatic Transmission

    $1,439.88

    View
    Proform , Carburetor Base Plate 650/700/750/800 CFM, Mechanical Secondary; Made from Quality Cast Aluminum

    Proform , Carburetor Base Plate 650/700/750/800 CFM, Mechanical Secondary; Made from Quality Cast Aluminum

    $276.84

    View
    Proform , Stubby AN Wrench Set , Two Wrenches, 3AN - 20AN

    Proform , Stubby AN Wrench Set , Two Wrenches, 3AN - 20AN

    $181.70

    View
    Proform , Radiator System, 1-2-3, Inlet on Passenger Side, Outlet on Driver Side, 19" Core; Single Pass; Manual Transmission

    Proform , Radiator System, 1-2-3, Inlet on Passenger Side, Outlet on Driver Side, 19" Core; Single Pass; Manual Transmission

    $720.00

    View