Pistons & Cylinders - This Website is in progress now.

pISTONS for Porsche 356 - 912

Pistons are one of the most important components in engines. To fulfil our demands in terms of quality and technology, JPS Aircooled has chosen Wössner as a partner. Wössner manufactures pistons at the highest level. All pistons are modeled and designed exactly according to the 3D CAD models of the JPS Aircooled cylinder head.

 

It is possible for us to meet all customer requirements. No matter if you want 9.2:1 or 12.5:1 compression.

 

Due to the complete CNC machining of the piston on the outside as well as on the inside, we are able to reduce the piston weight to an absolute minimum without reducing the stability or durability


Kolben sind eines der wichtigsten Bauteile in Motoren. Um unseren Ansprüche in Bezug auf Qualität und Technologie zu erfüllen, hat JPS Aircooled die Firma Wössner als Partner ausgewählt. Wössner fertigt Kolben auf höchstem Niveau.  Alle Kolben sind exakt nach den 3D CAD Modellen des JPS Aircooled Zylinderkopfes modelliert und designt worden.

 

Es ist uns möglich allen Kundenwünschen gerecht zu werden.  Egal ob Sie 9,2:1 oder 12,5:1 Verdichtung wünschen.

 

Durch die komplette CNC Bearbeitung des Kolbens sowohl auf der Aussenseite als auch auf der Innenseite sind wir in der Lage, das Kolbengewicht auf ein absolutes Minimum zu senken, ohne die Stabilität oder Haltbarkeit zu mindern.


High performance pistons made in Germany



JPS AIRCOOLED Pistons
91 mm 

1925cc 

Compression 10.5:1
Or any compression ratio that the customer wants.

 

Piston weigth: 327 grams


Great features like:

  • 22mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings.
  • Laser logo

All these features make our pistons a class of their own.

set € 1'495.00



JPS AIRCOOLED  Pistons
94 mm 

2054cc

Compression 10.5:1
Or any compression ratio that the customer wants.

Piston weigth: 341grams


 Great features like:

  • 22mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • 1mm - 1,2mm - 2,5mm rings.
  • Laser logo

All these features make our pistons a class of their own.

set € 1'495.00



JPS AIRCOOLED  Pistons
94 mm 

2332cc

For long stroke crankshafts 82mm or 84mm

Compression 10.5:1
Or any compression ratio that the customer wants.

Piston weigth: 330 grams


Great features like:

  • 19mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings.
  • Laser logo

All these features make our pistons a class of their own.

set € 1'595.00

option, twin sparks + € 100.00



JPS AIRCOOLED  Pistons
91 mm   "Racing"

1925cc

Compression 12.5:1

Piston weigth: 335 grams


Racing Piston with following features:

  • 22mm precision lightweight wrist pins
  • 3D dom milling
    100% fits in our high performance Cylinder Heads
  • 3D internal milling (reduce weight)
  • Underhead milling (reduce weight)
  • Shelf milling
  • Plunge bosses milling
    (pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings
  • Laser logo

All these features make our pistons a class of their own.

set € 1'595.00

option, DLC coating on wrist pin + € 100.00



JPS AIRCOOLED  Pistons
82.95 mm - Racing
FIA Europa

1599cc 

Any compression ratio available … like 12:1


Great features like:

  • 22mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings
  • Laser logo

All these features make our pistons a class of their own.

set € 1'595.00



JPS AIRCOOLED  Pistons
82.95 mm - Racing
SCCA USA

1620cc 

Any compression ratio available … like 12:1


Great features like:

  • 22mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings
  • Laser logo

All these features make our pistons a class of their own.

set €1'595.00



Cylinder

Shasta  Pistons & Cylinders

Shasta Design Pistons & Cylinders are known and respected though out the world for their excellent quality and performance. 

These Cylinders are made in the USA and are CNC machined from “Durabar” an American proprietary pressure cast iron that is extruded under extreme pressure into bars of extremely uniform and dense material. 

“Durabar” machines like steel not cast iron.  Shasta Design starts with solid bars of “Durabar” then bore and completely CNC machine the cylinders for the ultimate in performance cylinders 

 

Available for racing in:

Ø83,5mm (1620cc)

Compression Ration 11,5:1 (Dome 33,4cc)

Ø86mm (1720cc)

Compression Ration 11,5:1 (Dome 33,4cc)

 

Available for street in:

Ø86mm (1720cc)

Compression Ration 10,3:1 (Dome 26,5cc)

set € 2'190.00



JPS Aircooled PISTONS & CYLINDERS

1925 CC

Bore: 91mm x Stroke : 74mm = 1925cc    

CR: 10,5:1 with JPS Aircooled Cylinder Heads.


JPS Aircooled 91mm PISTONS are CNC milled high-tech Pistons by Wössner/Germany

 

Great features like:

  • Piston weigth: 327 grams
  • 22mm precision lightweight wrist pins
  • Underhead milling (reduce weight)
  • Internal Milling 3D milling
  • Shelf milling
  • Plunge Bosses milling(pocket under wrist pin)
  • Skirt Coating
  • Anti-detonation grooves
  • Accumulator groove
  • 1mm - 1,2mm - 2,5mm rings.
  • Laser logo

All these features make our pistons a class of their own!

 

 

CYLINDERS are made of cast iron.

The basic is a VW Typ1 Cylinder that is completely CNC milled and completely remanufactured.

The machining of the bore is done in a precision torque plate fixture and the honing process too.

 

So your benefits are:

  • Much more cooling fins (17 fins) and cooling surfaces (ca.35%) than other cast iron cylinders
  • These CYLINDERS are absolutely straight up and round when torqued with 30Nm
  • The finish honing is perfect for the use of the 1.0/1.2/2.8mm piston rings package
  • Case machining to our instructions give you a perfect base and sealing surface
  • You will get exactly 1mm deck height 
  • No cooper sealing rings necessary, because all is straight and parallel
  • Many years in use
  • Stock head studs can be used

set € 2'690.00



PISTONS & CYLINDERS

2011 CC

Bore: 93mm  x Stroke : 74mm = 2011cc    

CR: 10,0:1  with 6mm dome and JPS Aircooled Cylinder Heads

CR: 10,4:1  with 7mm dome and JPS Aircooled Cylinder Heads

 

CYLINDERS are made of cast iron and the basic is VW Typ1 Cylinder that is completely CNC milled and completely remanufactured.

The machining of the bore is done in a precision torque plate fixture and the honing process too.

16 pcs. JPS Aircooled special cylinder head studs , material 4140

8 pcs modified stock cylinder head nuts (done on exchange base)

8 pcs special cylinder head nuts

 

JE PISTONS are forged Pistons , made in USA with 1.0/1.2/2.8mm ring

 

So your benefits are:

  • 2011cc without investment in a stroker crankshaft and custom rods
  • Much more cooling fins (17 Fins) and cooling surface (ca.35%) than other cast iron cylinders
  • This Cylinders are straight up and round when torqued with 30Nm
  • The finish honing is perfect for the use of the 1.0/1.2/2.8mm piston rings package
  • Case machining to our instructions give you a perfect base and sealing surface
  • You will get exactly 1mm deck height 
  • No cooper sealing rings necessary, because all is straight and parallel
  • JPS Aircooled cylinder head studs and modified nuts included, Swiss Made
  • Machining and honing, made in Germany 

set € 3'300.00



PISTONS & CYLINDERS

2054 CC 

 

Bore: 94mm  x Stroke : 74mm = 2054cc    

CR: 10,2:1  with 6mm Dome and JPS Aircooled Cylinder Heads

CR: 10,6:1  with 7mm Dome and JPS Aircooled Cylinder Heads

 

CYLINDERS are made of cast iron and the basic is VW Typ1 Cylinder that is completely CNC milled and completely remanufactured.

The machining of the bore is done in a precision torque plate fixture and the honing process too.

16 pcs. JPS Aircooled special cylinder head studs , Material 4140

8 pcs modified stock cylinder head nuts (done on exchange base)

8 pcs special cylinder head nuts

 

JE PISTONS forged Pistons , Made in USA with 1.0/1.2/2.8mm ring

 

So your benefit is:

  • 2011cc without investment in a stroker crankshaft and custom rods
  • Much more cooling fins (17 Fins) and cooling surface (ca.35%) than other cast iron cylinders
  • These CYLINDERS are straight up and round when torqued with 30Nm
  • The finish honing is perfect for the use of the 1.0/1.2/2.8mm piston rings package
  • Case machining to our instructions give you a perfect base and sealing surface
  • You will get exactly 1mm deck height 
  • No cooper sealing rings necessary, because all is straight and parallel
  • JPS Aircooled cylinder head studs and modified nuts included, Swiss Made
  • Machining and honing, made in Germany 

 

set € 3'500.00



Nicasil Aluminium Cylinder

Made by LN Engineering

LN Engineering’s Nickies - The original and genuine solid aluminum CNC billet NSC-plated cylinders provide increased strength and cooling, allowing for increased displacement and performance without compromising reliability.

  

The 93mm and 94mm Porsche 356 Nickies are very nice solution for JPS Aircooled SPORT PLUS 93/94mm BILLET CYLINDER HEADS.

  

Price without Pistons must be ordered separately.

set € 2'990.00



JPS Aircooled Set of  Cylinder Head Studs and Nuts

This set of  Cylinder Head studs and nuts is

necessary for all 93/94mm pistons and cylinders.

  • 16 Special Cylinder Head studs
  • 8 pcs special Cylinder Head nuts in exchange!
  • 8 pcs special Cylinder Head nuts new

set € 398.00



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