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S&S Sidewinder .650" Valve Spring Kit For Harley Big Twin
Sidewinder .650" Valve Spring Kits for Big Twins with stock heads that use both 7mm and 5/16” valve stems as well as all S&S Super Stock heads that use 5/16” valve stems. Works well with cams up to .650" lift. 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. Chromoly forged retainers.
Features:
- Include springs, shims, upper and lower collars and keys
- For valve lift to .650" with 1.860"/178 lbs. installed height, 376 lbs. at max lift
- Max 6500 rpm
- Made in the USA
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style S&S Cycle Sidewinder .650" Valve Spring Kit For Harley Big Twin 1984-2004 | RevZilla Item #1181990 | Store Sku | MFR. Product #900-0050 | AvailabilityIn Stock: Ships within 24 hours |
This Product Fits
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S&S Cycle Sidewinder .650" Valve Spring Kit For Harley Big Twin 1984-2004 Resources
Product Description
Part Numbers
Fitment
Resources
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