Bracket for ignition cables on the intake manifold. Porsche 964  ❭  96411031500

Inlet Manifold Gasket and Manifold Bolt Kit - Complete Intake Sealing and Securing Solution

This inlet manifold gasket and manifold bolt kit provides everything required to correctly reseal and refit your intake manifold. The set includes:
8 x Inlet manifold gaskets
10 x Manifold bolts (securing elements)

Fits:

• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
• Porsche 970.1 Panamera S V8 4.8L 2009-13
• Porsche 970.1 Panamera 4S V8 4.8L 2009-13
• Porsche 970.1 Panamera GTS V8 4.8L 2011-13
• Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
• Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
• Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
• Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
• Porsche 970.2 Panamera Turbo V8 Executive 2014-16
• Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16

Designed to restore proper intake sealing and ensure secure installation, this kit helps maintain optimal engine efficiency and performance.

What Inlet Manifold Gaskets and Bolts Do

The inlet manifold distributes air evenly to each cylinder of your engine. The manifold gaskets create an air-tight seal between the intake manifold and the cylinder head, preventing vacuum leaks and ensuring the correct air-fuel mixture reaches the combustion chambers.

The manifold bolts, also known as securing elements, clamp the intake manifold securely in place. Correct clamping force is essential to:

• Maintain consistent air pressure
• Prevent vacuum leaks
• Support stable idle and acceleration
• Protect engine performance
• Avoid unmetered air entering the system

Without properly functioning gaskets and correctly torqued bolts, the intake system cannot operate efficiently.

Why Inlet Manifold Gaskets and Bolts Fail

Over time, inlet manifold gaskets are exposed to:

• High engine temperatures
• Continuous thermal expansion and contraction
• Oil vapour and carbon exposure
• Long-term compression fatigue

This can cause gaskets to harden, crack or shrink, resulting in air leaks.

Manifold bolts can also stretch, corrode or lose clamping force, especially if reused after removal. Modern engines often use torque-to-yield securing elements, which are designed for single use. Reinstalling old bolts can compromise sealing integrity.

Common symptoms of failing intake manifold gaskets include:

• Rough idle Hesitation during acceleration
• Lean mixture fault codes
• Whistling or hissing noises
• Reduced fuel efficiency
• Check engine light illumination

Why You May Need This Kit

If you are removing or replacing your intake manifold, it is essential to install new gaskets and securing bolts to ensure proper resealing. Reusing old gaskets or bolts increases the risk of air leaks and repeat labour.

This inlet manifold gasket and bolt kit is ideal for:

• Intake manifold removal during engine repair
• Resolving vacuum leak issues
• Addressing lean mixture fault codes
• Preventative maintenance
• Engine rebuilds or carbon cleaning work

Replacing both the sealing gaskets and the securing bolts at the same time ensures correct clamping force and long-term reliability.