Hydraulic Tappet Set of 16
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Supertech Uprated Double Valve Springs
£636.00
£530.00
In stock
SKU
Supertech Uprated Double Valve Springs
Supertech Uprated Double Valve Springs
Supertech uprated double Valve Springs for use with most after-market cams. Increases valve control at high RPM use and where cams of higher acceleration are used.
There are two options of spring pressure:
| SPRK-TS1012-F4R | SPRK-TS1015/FR4 | ||
| Type: Dual Spring | Type: Dual Spring | ||
| Press.Seat: 83 @34.00mm | 37kg@34.00mm | Press.Seat: 83@ 34mm | 37kg@34.00mm |
| Spring pressure at 12.5mm valve lift | 91kg@21.5mm | Spring pressure at 12.5mm valve lift | 105kg@21.5mm |
| from seat pressure shown above | from seat pressure shown above | ||
| Max Lift: 13.30mm | Max Lift: 13.30mm | ||
| Coil Bind: 20.70mm | Coil Bind: 20.70mm | ||
| Rate: 9.60 lbs/mm | 4.35kg/mm | Rate: 12.10 lbs/mm | 5.49kg/mm |
Typically we see 35kg seat pressure at 38.5mm installed height but it is highly recommended these springs are measured and installed height calculated using shims as required to jack up springs.
Use our spring shims for fine tuning seat pressure.
Set of 16 double valve springs, with bottom seat adapters that fit over standard lower seat/valve stem seals. Also suppled with 16 x titanium upper retainers (very light!).
| Engine | Cylinder Head Parts, Internal parts |
|---|
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