



Manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided. CNC machined 9 degree locks, high performance conical single wire spring, and chromoly forged retainers. Works well with cams up to .650" lift. High performance conical single wire spring.
Product Style | Item # | Store SKU | Manufacturer Product # | Availability |
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Product Style S&S Cycle Sidewinder .650 Valve Spring Kit For Harley Twin Cam / Sportster 2004-2022 | Item # 1181993 | Store SKU | Manufacturer Product # 106-5909 | Availability In Stock: Ships within 24 hours |