Home » Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 (933) | 1995-1998 HP10T8-HP109-HPSS-PKG
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Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 (933) | 1995-1998 HP10T8-HP109-HPSS-PKG

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P/N: HP10T8.HP109.HPSS.PKG
Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 933 | 1995-1998 HP10T8-HP109-HPSS-PKG
Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 933 | 1995-1998 HP10T8-HP109-HPSS-PKG
$1,057.25

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Porsche 8mm Value Spring and Titanium Retainer Kit for a model 911(933) (1995-1998).

Designed specifically for Porsche applications—not adapted from other platforms—this kit delivers a higher natural frequency than factory OE springs, making it ideal for performance and racing engines while helping minimize potential over-rev damage on track.

Tech Specs:

  • Installed Height: 1.340” (34mm)

  • Seat Pressure: 70–80 lbs

  • Max Valve Lift: .512” (13mm)

  • Spring Rate: 360 lbs/in

  • Coil Bind Height: 1.13”

  • Dual springs (includes damper spring)

Definitions:

  • Installed Height: Spring height with the valve closed.

  • Open Height: Spring height with the valve open under load.

  • Coil Bind: Point at which the spring is fully compressed and coils are stacked.

Alt. Number:HP10T8-HP109-HPSS-PKG, HP10T8HP109HPSSPKG
Size:8mm
Model:911 ( 993 )
Years:1995-1998