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- 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 / 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 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 911 - 1978 to 1983
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 924 / 924S - 1980 to 1988
Porsche 944 - 1982 to 1991
Porsche 928 - 1978 to 1995
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG012231A
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
Sold each
Fits:
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
The Hex Head Bolt M8 x 16 is a versatile, high-strength fastener used in multiple locations across classic Porsche models—including the Porsche 911, 914, 924 and 928. As a critical component in securing brackets, covers, engine parts, underbody panels and suspension-related hardware, this bolt ensures structural integrity and reliability throughout the vehicle.
What This Bolt Does
The Hex Head Bolt M8 x 16 plays a crucial role in securing various mechanical and body components on a Porsche.
Common Functions
- Secures brackets, panels and trim pieces
- Anchors engine and drivetrain components
- Holds suspension hardware and mountings
- Fastens interior and underbody parts
- Provides structural rigidity where load-bearing fasteners are required
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90007508704
The product you are viewing cross references to these numbers