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Kibblewhite Precision Machining Intake or Exhaust Valve Springs for 1963 - 1972 Triumph 650 Motorcycles OEM # 99-7037 70-4221 or 70-7400

Intake or Exhaust Valve Springs for 1963 - 1972 Triumph 650 Motorcycles OEM # 99-7037 70-4221 or 70-7400
Intake or Exhaust Valve Springs for 1963 - 1972 Triumph 650 Motorcycles OEM # 99-7037 70-4221 or 70-7400 Intake or Exhaust Valve Springs for 1963 - 1972 Triumph 650 Motorcycles OEM # 99-7037 70-4221 or 70-7400 Intake or Exhaust Valve Springs for 1963 - 1972 Triumph 650 Motorcycles OEM # 99-7037 70-4221 or 70-7400
010150
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$54.24
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All KPMI valve springs are designed in house using sophisticated, proprietary design and simulation software programs. Their engineers, software, and 75 years of experience enable us to determine critical characteristics including stress, natural frequency, system harmonics, and fatigue life. Our spring manufacturing partners are U.S based companies that are ISO certified. The Super-Clean Chrome-Silicon valve spring wire we use is traceable back to Kobe Japan where some of the best spring wire in the world is manufactured. Each spring goes through a rigidly controlled heat treatment, stress relief, and shot peening process. Combining our design, simulation, and manufacturing protocols with this premium quality valve spring wire allows KPMI to supply you with the best possible valve springs period

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WHY BUY FROM LOWBROW?

Lowbrow Group Photo

Who is Lowbrow? To learn more about us and our history, click here.

  • Free Shipping On US Orders $39.95 & up*
  • Everything In Stock & Ships Fast!
  • Fitment Guaranteed
  • 90 Day Money Back Guarantee
  • No Restock Fees, Ever!
  • Free Expert Motorcycle Technical Support
  • We eat, sleep, live & love motorcycles!

Why buy from Lowbrow?

  • Free Shipping On US Orders $39.95 & up*
  • Everything In Stock & Ships Fast!
  • Fitment Guaranteed
  • 90 Day Money Back Guarantee
  • No Restock Fees, Ever!
  • Free Expert Motorcycle Technical Support
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Additional Information

Additional Information

SKU 010150
Makes Triumph
Manufacturer SKU 70-70143
Made in the USA Yes
OEM Number 99-7037,70-4221,70-7400
Finish Raw
Material Steel
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USA Manufacturing

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? Click here.