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 , PROFORM Race Series 950 CFM Carburetor, Alcohol, Drag Racing Model

    Proform , PROFORM Race Series 950 CFM Carburetor, Alcohol, Drag Racing Model

    $2,040.00

    Proform , Adjustable Piston Ring Compressor , 4.000" - 4.090

    Proform , Adjustable Piston Ring Compressor , 4.000" - 4.090

    $91.70

    Proform , GM LS Starter 1.4KW; 11:1 Ratio, GM LS 1, 2, 6, & 7 Engines

    Proform , GM LS Starter 1.4KW; 11:1 Ratio, GM LS 1, 2, 6, & 7 Engines

    $456.61

    Proform , Chevrolet Big-Block Slant-Edge Valve Covers, Chrome; Tall; Raised Blackfield Emblems

    Proform , Chevrolet Big-Block Slant-Edge Valve Covers, Chrome; Tall; Raised Blackfield Emblems

    $906.77

    Proform , PROFORM Race Series 750 CFM Carburetor, Gas, Drag Racing Model with Annular Boosters

    Proform , PROFORM Race Series 750 CFM Carburetor, Gas, Drag Racing Model with Annular Boosters

    $2,014.46

    Proform , Adjustable Pinion Snubber Dana 60, Black Finish; Made from High-Quality Steel

    Proform , Adjustable Pinion Snubber Dana 60, Black Finish; Made from High-Quality Steel

    $142.52