Engine / gearbox mounts - sport version. Porsche 911 1978-89  ❭  91137504306

Engine / Gearbox Mounts - Sport Version Stiffer Than Standard.
The OE Match Engine / Gearbox Mounts – Sport Version are high-performance replacement mounts designed to provide increased drivetrain stability compared to standard factory mounts. Manufactured to OE specifications with a firmer rubber compound, these sport mounts offer enhanced control of engine and gearbox movement while maintaining excellent durability and fitment.
Sold Each. 
x2 Required Per Car.

Fits:

• 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)  

Diagram Ref No 8

Designed for performance-focused road and track applications, these mounts help minimise drivetrain flex during acceleration, braking and cornering. The increased stiffness improves vehicle response, gear shift precision and overall driving feel while retaining the reliability expected from OE-style components.  

What This Product Does:

• Supports and secures the engine and gearbox assembly.
• Reduces excessive drivetrain movement under load.
• Provides greater drivetrain stability than standard mounts.
• Improves gear shift precision and drivetrain response.
• Helps maintain correct engine and transmission alignment.
• Reduces unwanted movement during acceleration, braking and cornering.
• Enhances vehicle handling characteristics and driver feedback.

Symptoms Of Wear Or Failure:

• Excessive engine or transmission movement.
• Clunking or knocking noises during gear changes.
• Increased drivetrain vibration.
• Harsh engagement when accelerating or decelerating.
• Misaligned or imprecise gear shifting.
• Sagging engine or gearbox position.
• Visible cracking, splitting or collapse of the rubber mount.
• Increased stress on exhaust, driveline and transmission components.

Why Replacement Matters:

• Engine and gearbox mounts are subjected to constant vibration, drivetrain torque, heat and road shock. Over time, the rubber can harden, crack, compress or separate from the mount structure, reducing its ability to support the drivetrain effectively.
• Worn mounts allow excessive engine and gearbox movement, which can negatively affect gear selection, handling characteristics and overall driving refinement. Excessive drivetrain movement may also place additional strain on exhaust systems, drive shafts, couplings and surrounding components.

Related reference numbers
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91137504306

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