2017+ Civic Type R Valve Guides

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      GSC Power-Division valve guides are made from a proprietary blend of Manganese Bronze and turned on dedicated precision CNC turning centers. With performance and aftermarket installation in mind, we hold extremely tight tolerances on through-hole concentricity to outside diameter which minimizes the required honing time for the installer. True-to-size outside diameters minimize honing of guide bosses on cylinder heads that don't require boss service. Our guides are easier to install and shaped to improve air flow instead of just copying OEM design.

      2 products

      2 products

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      GSC Power-Division Exhaust Valve Guide for Honda K20C1 CTR
      £49.10 £46.65 Save £2.45
      Sale
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      GSC Power Division Intake Valve Guide for Honda K20C1 CTR
      £47.85 £45.46 Save £2.39
      GSC Power-Division Intake Valve Guide for Toyota 2JZ.

      GSC Power-Division Exhaust Valve Guide for Honda K20C1 CTR

      GSC3121-8

      £49.10 £46.65 Save £2.45
      /
      Shipping calculated at checkout.

      GSC Power-Division Exhaust Valve Guide for Honda K20C1 CTR

      • Standard sized sold as set of 8 or individually
      • Oversized sold individually as +0.001" and +0.003" 
      GSC3121 Standard (in/mm)
      Total Length 1.970 / 50.04
      Outer Diameter 0.4357 / 11.07
      Valve Stem Diameter 5.5mm
      GSC Power Division Intake Valve Guide for Honda K20C1 CTR.

      GSC Power Division Intake Valve Guide for Honda K20C1 CTR

      GSC3120-8

      £47.85 £45.46 Save £2.39
      /
      Shipping calculated at checkout.

      GSC Power Division Intake Valve Guide for Honda K20C1 CTR GSC Power Division Valve Guide K20C1

      • Standard sized sold as set of 8 or individually
      • Oversized sold individually as +0.001" and +0.003" 
      GSC3120 Standard (in/mm)
      Total Length 1.870 / 47.50
      Outer Diameter 0.4357 / 11.07
      Valve Stem Diameter 5.5mm