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      Why buy from Lowbrow?

      • Free Shipping On US Orders $99 & up*

      • Everything In Stock & Ships Fast!

      • Fitment Guaranteed

      • 90 Day Money Back Guarantee

      • No Restock Fees, Ever!

      • Free Expert Motorcycle Technical Support

      Customer Reviews
      5.0 Based on 4 Reviews
      5 ★
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      Filter Reviews:
      GM
      11/20/2019
      guillermo m.
      SV

      Main jet

      Excellent delivery timing

      Main Jet 230 for Concentric or Monobloc Carbs
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      BM
      09/15/2018
      Bill M.
      US

      Jets

      Very friendly, knowledgeable and fast service. Would recommend to anyone.

      Main Jet 230 for Concentric or Monobloc Carbs
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      DO
      03/25/2018
      Daniel O.
      US

      Perfect

      Just what i needed for my single carb aplication.

      Main Jet 230 for Concentric or Monobloc Carbs
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      GY
      07/18/2017
      gary y.
      US

      Good place to find vintage bike parts

      Lowbrow had the jet I needed in stock and shipped it out very quickly.Great service and shipping!!

      Main Jet 230 for Concentric or Monobloc Carbs
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      LOWBROW CUSTOMS USA MANUFACTURING SCHOLARSHIPS

      Here at Lowbrow Customs we believe strongly in supporting US manufacturing. We have created multiple annual scholarships, one with the Lincoln Electric Welding School and another with Tri-C (Cuyahoga Community College) for students in financial need who are pursuing workforce training. From TIG welding to machining, this is the backbone of manufacturing in the United States. Want to learn more?

      Want to learn more? Click here.