Looking to alter the opening ratio for the primaries and secondaries on your throttle base plate? If so, this handy little kit is the answer for a quick R & R project. This kit is compatible with PROFORM brand mechanical secondary throttle base plates. The kit includes three different linkages: stock, 1:1, and a super progressive. Washers and cotter pins are included.

Features:
  • 3 Different Ratio KitEasy to install

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