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- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
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- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Set of 18 studs and 18 M8 nuts
Fits:
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L
This premium cylinder head to manifold titanium stud and nut kit is the ultimate solution for future-proofing your exhaust system. Manufactured from Grade 5 Ti6Al4V titanium, these fasteners offer exceptional strength comparable to steel while delivering an impressive 40% weight reduction. Titanium also provides natural corrosion resistance, ensuring the studs and nuts will not rust, seize or degrade even after repeated heat cycles and long-term exposure to extreme engine bay conditions.
Perfect for performance upgrades, engine rebuilds, exhaust overhauls or preventative maintenance, this titanium stud kit guarantees reliability, serviceability and long-lasting durability.
What Titanium Cylinder Head to Manifold Studs & Nuts Do
These titanium fasteners play a crucial role in exhaust
system performance and reliability:
- Secure
the exhaust manifold to the cylinder head under high heat and
vibration
- Maintain
consistent clamping force, preventing exhaust leaks
- Provide
excellent thermal stability, resisting heat cycling fatigue
- Reduce
overall hardware weight, improving performance and serviceability
- Prevent
corrosion, avoiding seized or snapped studs during future maintenance
- Support performance exhaust systems with high-strength, precision-threaded hardware
This kit delivers superior fastening strength and long-term exhaust sealing.
Why Standard Exhaust Studs Commonly Fail
Conventional steel exhaust studs operate in harsh
environments where heat, moisture and vibration accelerate deterioration.
Common failure causes include:
- Rust
and corrosion, especially in older or high-mileage vehicles
- Stud
seizure, making removal extremely difficult
- Thermal
expansion fatigue, weakening the metal over time
- Shearing
or snapping, often during exhaust servicing
- Material
degradation from repeated heat cycles
- Exposure to salt and moisture, especially in winter climates
These failures can lead to exhaust leaks, poor performance, broken studs in the cylinder head and costly repair work.
Why You Should Replace Them with Titanium Studs & Nuts
Switching to high-grade titanium fasteners ensures exceptional long-term performance and eliminates common exhaust hardware issues.
Key benefits include:
- Rust-proof
performance, even after years of heat cycling
- As
strong as steel but 40% lighter thanks to Ti6Al4V alloy construction
- Reduced
risk of stud seizure, making future exhaust removal easier
- Improved
durability, especially on tuned or high-temperature engines
- Enhanced
thermal stability, maintaining clamping force under extreme heat
- Ideal
for performance exhaust systems, turbocharged engines and track-driven
vehicles
- Future-proofing your engine bay, saving time and money on future repairs
For any rebuild, upgrade or exhaust replacement, these titanium studs are a significant and smart improvement over traditional fasteners.
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
M8 x 30. EACH
Fits:
Porsche 997 MKI C2 / C4 / C2S / C4S
Porsche 997 MKII C2 / C4 / C2S / C4S
Porsche 991 MKI C2 / C4 / C2S / C4S
Porsche 987 Boxster MKI
Porsche 987 Boxster MKII
Porsche 981 Boxster MKI
Porsche 987C Cayman MKI
Porsche 987C Cayman MKII
Porsche 981C Cayman MKII
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
N01024426
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Sold individually. 18 required per car.
Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 997.2 Carrera 2009-2012
Porsche 981 Boxster 2012-2016
Porsche 981C Cayman 2014-2016
Porsche 991 MKI 2012-2016
Porsche Cayman GT4 2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 34
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99907353502
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Sold individually. 6 required per car.
Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 997.2 Carrera 2009-2012
Porsche 981 Boxster 2012-2016
Porsche 981C Cayman 2014-2016
Porsche 991 MKI 2012-2016
Porsche Cayman GT4 2016
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90091000303
The product you are viewing cross references to these numbers