May require machining of valve guides for special seals.
May require "R"-style valves to achieve correct install height.
Kit Includes:
• 4x CrSi Valve Springs
• 4x H.T. Steel Retainers
• 4x H.T. Steel Basewashers
• 4x H.T Steel Keeper (Pairs)
Features
- Designed for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm
- Progressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peened
- Complete set for one engine
- Made in the USA
Specs
| Spring Lift | 0,480" |
| Spring Seat Pressure | 158 lb |
| Application | Exhaust |
| Spring Open Pressure | 340 lb |
| Style | Racing |
| Material | Chromium Silicon Alloy |
| Riding Style | Street |
| Type | Valve |
| Collar Material | H.T. Steel |
| Model | Lightweight Racing |
| Product Name | Spring Kit |
| Units | Kit |
| Year | Make | Model |
|---|---|---|
| 1957 | Harley-Davidson | Sportster 900 XLCH |
| 1957 | Harley-Davidson | Sportster 900 XLH |
| 1957 | Harley-Davidson | XL |
| 1958 | Harley-Davidson | Sportster 900 XLH |
| 1958 | Harley-Davidson | XL |
| 1958 | Harley-Davidson | XLCH |
| 1959 | Harley-Davidson | XL |
| 1959 | Harley-Davidson | XLCH |
| 1959 | Harley-Davidson | XLH900 |
| 1960 | Harley-Davidson | Sportster 900 XL |
| 1960 | Harley-Davidson | XLCH |
| 1960 | Harley-Davidson | XLH900 |
| 1961 | Harley-Davidson | Sportster 900 XL |
| 1961 | Harley-Davidson | XLCH |
| 1961 | Harley-Davidson | XLH900 |
| 1962 | Harley-Davidson | Sportster 900 XL |
| 1962 | Harley-Davidson | XLCH |
| 1962 | Harley-Davidson | XLH900 |
| 1963 | Harley-Davidson | Sportster 900 XL |
| 1963 | Harley-Davidson | XLCH |
| 1963 | Harley-Davidson | XLH900 |
| 1964 | Harley-Davidson | Sportster 900 XL |
| 1964 | Harley-Davidson | XLCH |
| 1964 | Harley-Davidson | XLH900 |
| 1965 | Harley-Davidson | Sportster 900 XL |
| 1965 | Harley-Davidson | XLCH |
| 1965 | Harley-Davidson | XLH900 |
| 1966 | Harley-Davidson | Sportster 900 XL |
| 1966 | Harley-Davidson | XLCH |
| 1966 | Harley-Davidson | XLH900 |
| 1967 | Harley-Davidson | Sportster 900 XL |
| 1967 | Harley-Davidson | XLCH |
| 1967 | Harley-Davidson | XLH900 |
| 1968 | Harley-Davidson | Sportster 900 XL |
| 1968 | Harley-Davidson | XLCH |
| 1968 | Harley-Davidson | XLH900 |
| 1969 | Harley-Davidson | Sportster 900 XL |
| 1969 | Harley-Davidson | XLCH |
| 1969 | Harley-Davidson | XLH900 |
| 1970 | Harley-Davidson | Sportster 900 XL |
| 1970 | Harley-Davidson | XL |
| 1970 | Harley-Davidson | XLCH |
| 1970 | Harley-Davidson | XLH900 |
| 1971 | Harley-Davidson | Sportster 900 XL |
| 1971 | Harley-Davidson | XL |
| 1971 | Harley-Davidson | XLCH |
| 1971 | Harley-Davidson | XLH900 |
| 1972 | Harley-Davidson | XL |
| 1972 | Harley-Davidson | XLCH |
| 1972 | Harley-Davidson | XLH1000 |
| 1973 | Harley-Davidson | XL |
| 1973 | Harley-Davidson | XLCH |
| 1973 | Harley-Davidson | XLH1000 |
| 1974 | Harley-Davidson | XL |
| 1974 | Harley-Davidson | XLCH |
| 1974 | Harley-Davidson | XLH1000 |
| 1975 | Harley-Davidson | XL |
| 1975 | Harley-Davidson | XLCH |
| 1975 | Harley-Davidson | XLH1000 |
| 1976 | Harley-Davidson | XL |
| 1976 | Harley-Davidson | XLCH |
| 1976 | Harley-Davidson | XLH1000 |
| 1977 | Harley-Davidson | XL |
| 1977 | Harley-Davidson | XLCH |
| 1977 | Harley-Davidson | XLCR Cafe Racer |
| 1977 | Harley-Davidson | XLH1000 |
| 1977 | Harley-Davidson | XLT |
| 1978 | Harley-Davidson | XL |
| 1978 | Harley-Davidson | XLCH |
| 1978 | Harley-Davidson | XLCR Cafe Racer |
| 1978 | Harley-Davidson | XLH1000 |
| 1978 | Harley-Davidson | XLT |
| 1979 | Harley-Davidson | Café Racer XLCR |
| 1979 | Harley-Davidson | XL |
| 1979 | Harley-Davidson | XLCH |
| 1979 | Harley-Davidson | XLH1000 |
| 1979 | Harley-Davidson | XLS Roadster |
| 1980 | Harley-Davidson | XL |
| 1980 | Harley-Davidson | XLH1000 |
| 1980 | Harley-Davidson | XLS Roadster |
| 1981 | Harley-Davidson | XL |
| 1981 | Harley-Davidson | XLH1000 |
| 1981 | Harley-Davidson | XLS Roadster |
| 1982 | Harley-Davidson | XL |
| 1982 | Harley-Davidson | XLH1000 |
| 1982 | Harley-Davidson | XLS Roadster |
| 1983 | Harley-Davidson | XL |
| 1983 | Harley-Davidson | XLH1000 |
| 1983 | Harley-Davidson | XLS Roadster |
| 1983 | Harley-Davidson | XLX 1000 |
| 1984 | Harley-Davidson | XL |
Fitment details provided by supplier.
Product Videos
Custom Field
Type Valve
Material Chromium Silicon Alloy
