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    Hilborn #54 Rotator Spool- Barrel Valve works in Hilborn barrel valves fits Kinsler -Engler

    Thumbnail Filmstrip of Hilborn #54 Rotator Spool- Barrel Valve works in Hilborn barrel valves fits Kinsler -Engler Images

      Purchase Hilborn #54 Rotator Spool- Barrel Valve works in Hilborn barrel valves fits Kinsler -Engler

      SKU: AD-54-SPOOL
      Hilborn #54 Rotator Spool- Barrel Valve works in Hilborn barrel valves fits Kinsler -Engler

      $99.50

       


      Guidelines for sizing a spool for Hilborn- Engler-Kinsler Barrel Valves  

      Barrel (Metering) Valve Rotator Spool for use with a secondary valve.  54 spool 

      #54

      This is the most popular of all spools for street, race,  engines, unblown on gas, E-85 , Alcohol, up to   575  cu in

      ......573” Dia    1.762”  long      dimensions

      For huge unblown engines  , use a #56  spool 

      Factory Hilborn rotator spool-
      his fits all Hilborn barrel (metering) valves
       

      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   .090"
      B - #54 Medium to large motor 550 +  GAS or     ALCOHOL 200-550  cu in unblown  slot .186"
      C - #58  or a 61  Medium to large motor,  Small percentages of NITRO. Slot width: .308"     BIG methanol  unblown engines  over 550  or so -  
      A = .100"
      B = .187"
      C = .312"


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