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
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.
$1,057.25
Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 (933) | 1995-1998 HP10T8-HP109-HPSS-PKG—
$1,057.25
Description
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.
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Porsche Value Spring and Titanium Retainer Kit - 8mm - 911 (933) | 1995-1998 HP10T8-HP109-HPSS-PKG—
