New Product Lines- Moroso & Engler Fuel Injection coming Soon- HILBORN Parts in Stock-The Blower Shop's Largest Dealer-RCD Engineering -APD Carbs largest Stocking Dealer
Product Search

    Secure Checkout
    Hilborn #57 Rotator Spool SMALL ENGINES & on GAS
    Hilborn #57 Rotator Spool SMALL ENGINES & on GAS   V8 on GAS unblown

    Thumbnail Filmstrip of Hilborn #57 Rotator Spool SMALL ENGINES & on GAS V8 on GAS unblown Images

      Purchase Hilborn #57 Rotator Spool SMALL ENGINES & on GAS V8 on GAS unblown

      SKU: AD-BV-57
      Hilborn #57 Rotator Spool Small Engines , Gas, Methanol, 40 -300 cu in

      $89.00

       



      Factory Hilborn rotator spool   #57   They all have to be fitted  by polishing them  in a Drill or  on a lathe -GENTLY  

      This fits all Hilborn barrel (metering) valves  most all Known Kinsler  and Engler  also  

      #57 spool   .100" wide ramp       

      Great for GAS engines -   helps plug fouling 

      For small engines like 1 cylinder and motorcycles - Alky or Gas ok. ( not for Big Harley engines -  use a #54 for alky or #58 for blown alky )                                                                                                                            
        Non-turbo
        Non-blown

      These rotors are for the standard Hilborn metering valve. O-ring included. Choose from:
      A - #57 Small motor on GAS 40-500 cu in       or methanol for 1 cyl engines   30-100  cu in 
      B - #54 Medium to large motor GAS or ALCOHOL    this is the universal spool   we prefer the 57 spool on almost all GAS engines  
      C - #61 or 58   Medium to large motor, moderate to 30%  percentages of NITRO. Slot width:   BIG  unblown methanol over 550  cu in 
      A = .100"
      B = .187"
      C = .312"



      Related Products