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Flexible Cyl Hone, BoreDia3-1/2in, 120Grit

FLEX-HONE TOOL

Price: $72.90 / each

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  • Item # 2ZZC7
  • Mfr. Model # GB31212
  • UNSPSC # 23171605
  • Catalog Page # 3380
  • Shipping Weight 1.0 lbs.
Country of Origin USACountry of Origin is subject to change.

Technical Specs

  • ItemFlexible Cylinder Hone
  • Bore Dia.3-1/2"
  • Abrasive MaterialSilicon Carbide
  • Grit120
  • GradeCoarse
  • Overall Length13-1/2"
  • Hone Length3-1/2"
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Compliance and Restrictions

  • This item has been restricted from sale in the following countries: Austria, Australia, Belgium, Switzerland, Germany, Denmark, Spain, France, United Kingdom, Italy, Japan, South Korea, Netherlands, Norway, Portugal and Sweden.

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Product Q&A

(1 Question : 1 Answer)

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I recently tried a flex-hone on my engine (2liter GM turbo in a little '88 sunbird) , but it seemed to be bunching up at the bottom of the cylinder {I can't pull the motor so it has the crank in it}. The BRM# I have is GBD31232 & I'm putting some Hastings rings in it. I have the .010 over rings, as I didn't think standard sized rings would seal well enough-it's been honed before. But I also keep getting conflicting info on which grit to use with these plasma moly rings- the top ones are plasma moly, & the middle rings are iron
1 year, 8 months ago
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Answers

Answer: 
Grainger has contacted the product supplier and has been advised by them of the following: You may want to consider a ball hone like the 2ZZC7 to create a "cross hatch" pattern; this allows the rings to seat properly. However; you may want to consider obtaining advice from a professional machinist that specializes in engine rebuilding. It is important to know the condition of the cylinders; if they are "true", and exactly the size they are after previous work.

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1 year, 8 months ago
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