GM - Small block chevy

1 make 1 Component Type 6 products

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Valve Guides Valve Guides

GM - Small block chevy

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.
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Component type
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Includes Stopper
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Valve Guides
Outer Diameter ( IN )
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Valve Stem Diameter ( In )
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy - 2.525" length

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy - 2.525" length

    Valve Guides

    Intake/Exhaust Valve Guides for Small Block Chevy - 2.525" length

     SKU:GSC3074 Make:GM Total Length:2.525" / 64.14 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy - 2.250" length

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy - 2.250" length

    Valve Guides

    Intake/Exhaust Valve Guides for Small Block Chevy - 2.250" length

     SKU:GSC3081 Make:GM Total Length:2.250" / 57.15 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy - 2.225" length
    Sold out

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy - 2.225" length

    Valve Guides

    Intake/Exhaust Valve Guides for Small Block Chevy - 2.225" length

     SKU:GSC3073 Make:GM Total Length:2.225" / 56.52 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy - 2.100" length
    Sold out

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy - 2.100" length

    Valve Guides

    Intake/Exhaust Valve Guides for Small Block Chevy - 2.100" length

     SKU:GSC3071 Make:GM Total Length:2.100" / 53.34 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy - 1.950" length

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy - 1.950" length

    Valve Guides

    Intake/Exhaust Valve Guides for Small Block Chevy - 1.950" length

     SKU:GSC3077 Make:GM Total Length:1.950" / 49.53 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86
  • GSC Power-Division Intake OR Exhaust Valve Guide for Small Block Chevy

    GSC Power-Division Intake / Exhaust Valve Guides for Small Block Chevy

    Valve Guides

    IIntake/Exhaust Valve Guides for Small Block Chevy

     SKU:GSC3080 Make:GM Total Length:2.100" / 53.34 mm Outer Diameter:0.5020" / 12.75 mm Valve Stem Diameter:0.3415” / 8 mm
    From $11.86
    From $11.86 $11.86