Performance 9mm Valve Spring and Titanium Retainer Kit 65-94 Porsche 911 70-72 914-6 78-79 930
$859.00
Our 9mm Kit includes AASCO HP109 High Performance Valve Springs, HP10T9 Titanium Valve Spring Retainers, and HPSS Valve Spring Seats for 1965-1994 Porsche 911, 1970-1972 Porsche 914-6, and 1978-1979 Porsche 930 models. AASCO’s high performance valve springs, titanium valve spring retainers, and precision valve spring seats are all designed and manufactured to specifically fit the envelope of a Porsche application not a spring from another use. It operates at a higher natural frequency than the original factory Porsche or OE valve spring for performance and racing engines and at the very least minimizes damage from overrev when tracking your Porsche.
Tech Specs:
Installed Height 1.340” (34mm)
Seat Pressure (lbs) 70-80
Max Valve Lift .512” (13mm)
Spring Rate (lbs/in) 360
Coil Bind Height (in): 1.13″
Spring Rate: 360 lbs/in
No. of Springs Per Valve: Dual (Damper Spring Included)
Definitions:
Seat (installed) height: Total height of the spring when the valve is closed and the spring is unloaded
Valve spring open height: Total height of the spring when valve is open and spring is experiencing load (compressing)
Valve spring coil bind: When the valve spring is fully compressed to the point that all of the coils are compressed
Description
Cross Reference: 90110590150HP, 901 105 901 50 HP, 901-105-901-50-HP, 901.105.901.50.HP, 930105911TI, 930 105 911 TI, 930-105-911-TI, 930.105.911.TI, 90110546303HP, 901 105 463 03 HP, 901-105-463-03-HP, 901.105.463.03.HP, HP10T9-HP109-HPSS-PKG, HP10T9 KIT, HP109 KIT, HPSS KIT
Important: Before ordering, always confirm that the part fits your specific type/model/engine.
Additional information
| Weight | 5 lbs |
|---|
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