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
  • Purple Anodized Finish
  • Made from Billet Aluminum
  • Includes Two Gaskets and Vent Baffles
  • PROFORM Parts Brand Product
  • Sold Individually
  • More From This Category

    Proform , Digital Variable Speed Fan Controller, New 2nd Generation Model. Supersedes P/N 69596.

    Proform , Digital Variable Speed Fan Controller, New 2nd Generation Model. Supersedes P/N 69596.

    $271.61

    Proform , Radiator System, Slim-Fit, Inlet on Passenger Side, Outlet on Driver Side, 23" Core; Single Pass; Manual Transmission

    Proform , Radiator System, Slim-Fit, Inlet on Passenger Side, Outlet on Driver Side, 23" Core; Single Pass; Manual Transmission

    $1,731.45

    Proform , 80 AMP Alternator Chrome Finish, 1-Wire, GM 10 SI; w/ Internal Regulator, V-Pully, & Ext. Fan

    Proform , 80 AMP Alternator Chrome Finish, 1-Wire, GM 10 SI; w/ Internal Regulator, V-Pully, & Ext. Fan

    $309.65

    Proform , PROFORM Race Series 1050 CFM Carburetor, Draw-Thru, 2x4 Supercharger Model

    Proform , PROFORM Race Series 1050 CFM Carburetor, Draw-Thru, 2x4 Supercharger Model

    $2,182.67

    Proform , Carburetor Studs Kit w/ Lock Washers & Nuts, Chrome Plated; Made from High-Quality Steel

    Proform , Carburetor Studs Kit w/ Lock Washers & Nuts, Chrome Plated; Made from High-Quality Steel

    $14.65