VALVE SPRING SET ATC185/200, KIBBLEWHITE 30-4021 ATC185/200

Part No. 65-731 (oro2u.com)
Item # 30-4021, Chrome Silicon Springs for Honda ATC 185/200 1981-1987
All KPMI valve springs are designed in house using sophisticated, proprietary design and simulation softwares, and drawing on over 70 years of design experience. Our equipment and 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. Combining our design and simulation protocols with this premium quality valve spring wire, and manufacturing processes including heat treatment, stress relief, an 65-732″