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Porsche 911 SC 3.0 Ltr. 1978-1983

Wossner

$979.20
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Weight:
8.00 LBS
Shipping:
Calculated at Checkout
Bore Size:
95 mm, 98 mm
Clearance:
0.05 mm
Compression Height:
34 mm
Compression Ratio:
10.5:1
Cylinder No.:
6 Cyl./Kit
Displacement:
2993 cc
Dome Volume:
42.2 cm³
Engine Code:
930.1
Piston Weight:
456 g
Stroke:
70.4 mm
Valves/Cylinder:
2
Lock P/N:
C22x1.6
Pin P/N:
WP017
Ring Set P/N:
950XSY
Rod P/N:
PL047
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Performance Wossner Porsche Piston for Porsche 911 SC 3.0 Ltr. 1978-1983 vehicles. Part No. 9254

Wossner Porsche Pistons have an excellent reputation for longevity and performance.  

In order to assure the highest quality forged pistons, Wossner produces all of their own forgings in a plant separate from their piston manufacturing facility. In this way they can completely control the quality of the forgings which so crucially affect the end product. Made from 4032 T6 Aluminum, these forged pistons will hold up to the abusive life of a high performance air cooled 911 piston.

As far as performance modification, many engine builders want to use larger valves to help improve engine breathing.  These pistons are made with 54.5mm intake pockets and 46mm exhaust pockets so larger valves can be used .  They are also made with a greater dome volume than stock so they will increase the CR over the factory 9.8:1 up to 10.5:1 giving a bit more HP and torque just from the raised compression ratio.The ring pack that comes with the piston kit is a state of the art 1mm top ring and 1.2 mm 2nd ring along with a 2.5mm oil ring which help to reduce friction and free up more HP.   If you want to increase your displacement to 3.2 liters while you are doing the build, these pistons are available in 98 mm as well.

Specifications

Part Number: 9254DA
Bore Size: 95 mm
Clearance: 0.05 mm
Compression Height: 34 mm
Compression Ratio: 10.5:1
Cylinder No.: 6 Cyl./Kit
Displacement: 2993 cc
Dome Volume: 42.2 cm³
Engine Code: 930.1
Piston Weight: 456 g
Stroke: 70.4 mm
Valves/Cylinder: 2
Gasket P/N:
Lock P/N: C22x1.6
Pin P/N: WP017
Ring Set P/N: 950XSY
Rod P/N: PL047

Includes

  • rings
  • wrist pins
  • clips
  • low friction skirt coating

Bore Sizes

  • 95.00 - Kit Part No. K9254DA
  • 98.00 - Kit Part No. K9254D300