Straightline

Straightline Clutch KIT S-D GE N4 850 137 0-3000 FT S/M (121-238)

Straightline Clutch KIT S-D GE N4 850 137 0-3000 FT S/M (121-238)
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Straightline Clutch KIT S-D GE N4 850 137 0-3000 FT S/M (121-238)
Straightline

Straightline Clutch KIT S-D GE N4 850 137 0-3000 FT S/M (121-238)

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SKU: 121-238
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Straightline Performance’s fully adjustable clutch kits will drastically improve the ...Read More

Price:
$498.96 $499.95
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit
  • Straightline Performance’s fully adjustable clutch kits will drastically improve the acceleration and holeshot of your stock, or modified machine.
  • Backshift is improved, and mph is increased.
  • Includes a set of billet ramps, Straightline Performance helix, primary and secondary springs, and an adjustable pin kit.
  • The complete performance clutch kit for your specific machine.
  • Our kits are built on extensive in-field testing and then tested on our in-house chassis dyno.
  • Complete Kit designed to drastically improve acceleration, back-shift while improving top MPH.
  • This kit comes ready to bolt in your machine.
  • For those of you who like to tune this kit includes our fully adjustable clutch weights allowing you to modify the kit for your riding style.
  • Kit includes:
  • Primary spring, Secondary spring, Custom Straightline Helix, Adjustable weights and magnets for clutch weight tuning.
  • Brand: Straightline
  • Part number: 121-238
  • Category: Clutch

Product Details

Product Description
Part Numbers
Sizing & Fit
  • Straightline Performance’s fully adjustable clutch kits will drastically improve the acceleration and holeshot of your stock, or modified machine.
  • Backshift is improved, and mph is increased.
  • Includes a set of billet ramps, Straightline Performance helix, primary and secondary springs, and an adjustable pin kit.
  • The complete performance clutch kit for your specific machine.
  • Our kits are built on extensive in-field testing and then tested on our in-house chassis dyno.
  • Complete Kit designed to drastically improve acceleration, back-shift while improving top MPH.
  • This kit comes ready to bolt in your machine.
  • For those of you who like to tune this kit includes our fully adjustable clutch weights allowing you to modify the kit for your riding style.
  • Kit includes:
  • Primary spring, Secondary spring, Custom Straightline Helix, Adjustable weights and magnets for clutch weight tuning.
  • Brand: Straightline
  • Part number: 121-238
  • Category: Clutch

Product Details

Product Description
  • Straightline Performance’s fully adjustable clutch kits will drastically improve the acceleration and holeshot of your stock, or modified machine.
  • Backshift is improved, and mph is increased.
  • Includes a set of billet ramps, Straightline Performance helix, primary and secondary springs, and an adjustable pin kit.
  • The complete performance clutch kit for your specific machine.
  • Our kits are built on extensive in-field testing and then tested on our in-house chassis dyno.
  • Complete Kit designed to drastically improve acceleration, back-shift while improving top MPH.
  • This kit comes ready to bolt in your machine.
  • For those of you who like to tune this kit includes our fully adjustable clutch weights allowing you to modify the kit for your riding style.
  • Kit includes:
  • Primary spring, Secondary spring, Custom Straightline Helix, Adjustable weights and magnets for clutch weight tuning.
  • Brand: Straightline
  • Part number: 121-238
  • Category: Clutch

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