Throttle Shaft 
Conversion Kit

Good for all PROFORM Race Series Carburators
For 4150/4160/4150HP Carburetors Up to 1-3/4" Bores
Features:
  • for 4150/4160/4150HP Carburetors Up To 1-3/4 In. Throttle Bores
  • Torx Head Throttle Plate Screws, Univ. Lever and Slip Link Secondary Activation
  • Sold as One Kit
  • Sold as One Kit
PART# 67243
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Upgrade your PROFORM or Holley® carburetors (up to 1 3/4' throttle bores) to achieve higher air flow by reducing the size of the throttle shaft. Each kit includes button head (Torx) throttle plate screws, universal lever, and slip link secondary activation system. The High-Flow kit includes stainless steel button head screws.

Warning for part number #67243:
  • This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
  • Each kit includes button head (Torx) throttle plate screws, universal lever, and slip link secondary activation system.
  • The High-Flow kit includes stainless steel button head screws.
  • Upgrade your PROFORM or Holley® carburetors (up to 1 3/4" throttle bores) to achieve higher air flow by reducing the size of the throttle shaft.
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