Performance Engine Kits (Capricorn)
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- Porsche 991 GT3 Cup 2018-2019
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Capricorn Performance Engine Kits for Maximum Strength, Precision & Motorsport-Ready Reliability
Capricorn Performance Engine Kits offer a complete, meticulously engineered solution for rebuilding high-performance Porsche engines. These kits include premium components—such as pistons, cylinders, rings and ancillary performance upgrades—designed to withstand extreme loads, elevated temperatures and demanding RPM ranges. Developed with motorsport expertise, Capricorn kits deliver superior durability, consistent power and exceptional accuracy, making them ideal for road-performance upgrades, track-prepared builds and long-term engine restorations.
Whether refreshing a high-mileage engine or constructing a competition-level power unit, Capricorn kits ensure every internal component works together in perfect harmony for peak performance.
What Capricorn Performance Engine Kits Do
These high-precision engine kits are crafted to:
- Increase
structural strength for engines operating under high boost or high RPM
- Improve
combustion stability with precisely machined pistons and cylinders
- Enhance
heat resistance through advanced materials and thermal coatings
- Reduce
frictional losses for smoother, more efficient power delivery
- Improve
sealing and compression, restoring lost horsepower
- Provide
a complete matched set, preventing imbalance or compatibility issues
- Support both road and motorsport applications with exceptional reliability
Capricorn kits bring engineering excellence to every stage of an engine rebuild.
Why Performance Engines Fail Without Upgraded Components
Engines operating at or beyond their original limits face
increased stress, which can lead to premature failure. Common issues include:
- Heat
exhaustion, causing distortion of pistons or cylinders
- Detonation
and pre-ignition, damaging crown surfaces and ring lands
- Lubrication
breakdown, accelerating wear on high-load surfaces
- Material
fatigue from repeated high-RPM stress cycles
- Cylinder
scoring, reducing compression and power
- Inaccurate
component tolerances in ageing or worn engines
- Boost pressure increases, pushing standard parts beyond safe limits
Symptoms of these failures include oil consumption, smoke, power loss, knocking noises, low compression and misfires.
Why You Should Upgrade With Capricorn Performance Engine Kits
Replacing worn internals with precision-engineered Capricorn components designed to exceed original performance characteristics ensures maximum engine reliability and power.
Benefits include:
- Superior strength for turbocharged, supercharged and high-compression engines
- Consistent power delivery even under track-day or racing conditions
- Improved compression and combustion efficiency
- Reduced internal wear and extended component life
- Better heat management for stable operating temperatures
- Engineered component matching for perfect fit and performance balance
- Increased confidence when pushing performance limits
Capricorn kits are an essential upgrade for anyone building a truly performance-focused Porsche engine.