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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

DISPLAYING 1 to 3 (of 3 products)
PBL-1027-C-109/P1833
Product Information
Product Information
Engine cylinders pistions & rings set. Porsche 964 / 993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
SET

Fits:
Porsche 964 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
Porsche 993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore

Capacity : 3996 cc
Stroke : 80.4 mm
Bore: 102.7mm

Please note the crankcases may need machining, this type of engine modification will need to be made by a engine specialist

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PBL-1027-C-109
PBL-1027-C-109
P1833

The product you are viewing cross references to these numbers
P1833
Product Information
Product Information
Aluminium forged engine piston & rings set. Porsche 964 / 993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
SET OF 6

Fits:
Porsche 964 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
Porsche 993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore

Capacity : 3996 ccm
Bore Size : 102.7 mm
Stroke : 80.4 mm
Compression : 11.5:1
Piston Pin : 23 x 54.5

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

P1833
P1833

The product you are viewing cross references to these numbers
PBL-1027-C-109
Product Information
Product Information
Engine cylinder barrel set. Porsche 964/993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
SET OF 6

Fits:
Porsche 964 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore
Porsche 993 3.6ltr to 4.0ltr (Ø100 to Ø102.7) Big Bore

Please note the crankcases may need machining, this type of engine modification will need to be made by a engine specialist

Capacity : 3996 cm
Bore Size : 102.7 mm
Stroke : 80.4 mm




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PBL-1027-C-109
PBL-1027-C-109

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
About Capricorn Engine parts

Capricorn Engine Parts - Motorsport-Grade Porsche Engine Components

Capricorn Engine Parts are precision-engineered, motorsport-grade components developed to meet the extreme demands of high-performance and race-built Porsche engines. Renowned for their exceptional machining accuracy and strength, Capricorn parts are widely used in professional motorsport and high-output engine builds where reliability and precision are critical.

Available from Design911, Capricorn engine components provide a premium upgrade for Porsche engines undergoing performance tuning, rebuilds, or motorsport preparation, delivering uncompromising durability and dimensional accuracy.

What Do Capricorn Engine Parts Do?

Capricorn engine parts form the structural and mechanical foundation of high-performance engines.

Core Functions:

  • Provide precise engine geometry and alignment.
  • Support high RPM and extreme cylinder pressures.
  • Maintain durability under motorsport conditions.
  • Improve consistency and reliability in engine operation.
  • Serve as critical components in performance rebuilds.

High-quality engine components are essential for safe and repeatable performance.

Why Do Standard Engine Components Fail?

Factory engine components are designed for road use and standard power levels. Failures can occur when engines are subjected to increased loads due to:

  • Elevated cylinder pressures from tuning or forced induction.
  • High RPM operation beyond factory tolerances.
  • Heat-related distortion or fatigue.
  • Wear from repeated thermal cycles.
  • Inadequate strength for motorsport applications.

When standard components fail, the result can be severe engine damage or reduced reliability.

Why Upgrade to Capricorn Engine Parts?

Capricorn engine parts are engineered specifically for extreme performance environments.

Upgrade Benefits:

  • Motorsport-grade materials and machining precision.
  • Exceptional strength and fatigue resistance.
  • Improved dimensional stability under heat and load.
  • Ideal for race engines, track cars, and high-output builds.
  • Trusted by professional Porsche engine builders worldwide.

Upgrading to Capricorn components provides confidence and durability in demanding Porsche engine applications.

Highlights

  • Motorsport-grade Capricorn engine components
  • Precision machining for high-performance engines
  • Designed for extreme load, RPM, and heat
  • Ideal for performance rebuilds and race engines
  • Proven reliability in professional motorsport       

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