S&S .590" Lift Triple Valve Spring Kit for Late 1981-'84 Big Twin Modelsand All S&S Cylinder Heads
.590" spring kit is year-group specific because of different bottom collars supplied with early and late kits. S&S heads require late 1981-'84 style kit, part #90-2063. When ordering replacement valve springs for S&S cylinder heads for shovelhead engines, order the 1981-'84 style part #90-2063.
.590" lift triple valve spring kit for late 1981-1984 Harley-Davidson big twin models.
- Includes 4, steel top collars, 4 bottom collars, 4 each outer, middle, and inner springs, shims, and 8 keepers.
- Use with stock valve guides, stock valves with 3/8" stem, and stock keepers.
- Compatible with thin-stem valves if thicker keepers that maintain correct valve stem-top collar engagement are used.
.590" spring kit is year-group specific because of different bottom collars supplied with early and late kits. S&S heads require late 1981-'84 style kit, part #90-2063. When ordering replacement valve springs for S&S cylinder heads for shovelhead engines, order the 1981-'84 style part #90-2063.
Instructions Link (Click Here)
Manufacturer: S&S Cycle
Part #: 90-2063
S&S Triple Valve Spring Kit 90-2063
- Brand: S&S Cycle
- Product Code: 90-2063
- Availability: Special Order
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$234.95
Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Valves, Springs