Spring Only Kit, High Perf., 0.500" Lift, Yamaha®, FJ™ 1100/1200, 1984-1993
Spring Only Kit, High Perf., 0.500" Lift, Yamaha®, FJ™ 1100/1200, 1984-1993
SKU:80-1017
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All KPMI® valve springs are designed in house using sophisticated, proprietary design and simulation software programs. Our engineers, software, and 75 years of 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. Each spring goes through a rigidly controlled heat treatment, stress relief, and shot peening process.
Combining our design, simulation, and manufacturing protocols with this premium quality valve spring wire allows KPMI® to supply you with the best possible valve springs period!
| Type | Intake/ Exhaust |
| Quantity | Pkg. of 16 |
| Valve Lift | 0.500" |
| Installed Height | 1.390" |
| Seat Pressure | 60# |
| Open Pressure | 210# |
| @ Lift | 0.500" |
| Note | Optional Titanium Retainers, Shim On Bottom Conversion: 80-1019. Use of 80-1019 Retainer also requires the use of Shim On Bottom Conversion Tappet 80-1020. Spring Kit 80-1017 may be used with OEM components and does not require the use of Shim On Bottom Conversion parts. |
| Unique Identifier No. | FR327789_01GAUSt |
