Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram
Your Vehicle  //  Porsche  //  964 (911) (1989-1994)  //  964 (911) TURBO 3.6L 1991-93

Camshafts

Filter by brand
DISPLAYING 1 to 3 (of 3 products)
Special Order item
96410524820
Product Information
Product Information
Camshaft, right.

Fits:
Porsche 964 Turbo 3.6L 1993
only with 3.5L turbo engine type M64.50

Click 'Zoom in' for large parts diagram.
Diagram ref no 23

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

96410524820
96410524820

The product you are viewing cross references to these numbers
Special Order item
93010514
Product Information
Product Information

Porsche camshaft Left, for the 930 Turbo and 964 Turbo. PART 1 of 3 - camshaft.

Fits

Porsche 911 & 912 (1975–1993) TURBO

Diagram ref no 42

Confirm the vehicle's model, production year and engine before ordering; use its VIN to establish the correct camshaft specification.

What This Product Does

Cam lobes determine valve lift and the duration of opening. Driven through the engine's timing mechanism, this shaft operates the left-bank valves in the required relationship to crankshaft rotation.

Functions

  • Actuates left-bank valve gear.
  • Determines valve-opening duration and lift.
  • Coordinates valve events with crankshaft rotation through the timing drive.

    Technical Details

  • Assembly row labels include PART 1 of 3 - camshaft, camshaft and PART 1 of 3 - camshaft with air injection.
  • Quantity 1; this is an assembly requirement, not confirmation of kit contents.
  • This fits TURBO cars.

    Symptoms of Fault
  • Unusual ticking or tapping around the valve gear.
  • Uneven idle or misfiring that remains after fuel and ignition diagnosis.
  • Scored, pitted or otherwise damaged lobe surfaces.
  • Abnormal rocker wear or metal particles discovered in engine oil.

These findings require diagnosis; they do not establish camshaft failure by themselves.

Why Replacement Matters

Confirmed lobe damage can alter valve movement and justify renewal during top-end repair or overhaul. Establish the cause of wear before assembly, including oil supply and contamination. Inspect the associated chains, sprockets, guides, adjusters, rockers and fixings rather than assuming that replacing the shaft alone resolves the fault.

FAQs

Should rockers be checked during replacement?
Inspect their contact surfaces for wear and determine whether renewal is necessary before fitting.

Who should carry out installation?
An experienced Porsche engine technician should establish timing, check clearances and follow the applicable assembly procedure.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010514
93010514305
93010514205
93010514303
93010514301

The product you are viewing cross references to these numbers
99970731340/1
Product Information
Product Information
O-ring - 67.2 x 5.77 - for front camshaft flange. 

Sold individually; fits left or right camshaft. 

Fits:
Porsche 964 Carrera / RS 1989-94
Porsche 964 Turbo 3.6L 1993-94*

Porsche 993 Carrera / RS 1994-98
Porsche 993 Turbo / GT2 1995-98

Diagram ref. 1.

*NOTE: This o-ring is intended for later 3.6L 964 Turbo models and is not compatible with the earlier 3.3L engine.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99970731340
99970731340

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
Also found on these pages
About Camshafts

Precision-Engineered Camshafts – Performance, Reliability, and Power for Porsche Engines

Camshafts are the heartbeat of any Porsche engine, controlling the timing and lift of the intake and exhaust valves to ensure precise combustion and efficient power delivery. A well-tuned camshaft defines how your engine breathes, responds, and performs — whether it’s a daily-driven 911 or a track-focused GT model.

At Design911, we supply a complete range of high-quality and performance-grade camshafts engineered to meet or exceed manufacturer specifications. Each camshaft is precision-machined for exact tolerances, ensuring smooth valve operation, consistent timing, and optimal performance across all driving conditions.

What Do Camshafts Do?

Camshafts regulate how air and fuel enter and exit the combustion chamber. By controlling valve timing, lift, and duration, they play a crucial role in engine power and efficiency.

Core Functions:

  • Control valve timing for optimal engine breathing.
  • Determine power characteristics, from low-end torque to high-rpm performance.
  • Synchronise intake and exhaust cycles for smoother operation.
  • Enhance efficiency, combustion stability, and throttle response.

High-performance camshafts are often tuned to deliver sharper throttle response, higher power output, and improved torque delivery for modified or rebuilt engines.

Why Do Camshafts Fail?

Even with Porsche’s engineering excellence, camshafts are subject to wear over time. Common causes of camshaft failure include:

  • Oil starvation leading to friction and surface wear.
  • Excessive heat or poor lubrication degrading cam lobes.
  • Improper timing belt/chain tension causing misalignment or damage.
  • Mechanical fatigue due to extended mileage or racing conditions.
  • Contaminated oil introducing abrasive particles into the valvetrain.

A worn or damaged camshaft can cause loss of power, misfires, rough idle, and reduced engine efficiency — making timely replacement essential to restore peak performance.

Why Replace with Performance-Grade Camshafts?

Replacing worn components with precision-engineered camshafts restores engine reliability and maximises output. Upgraded camshafts can also provide noticeable gains in horsepower and responsiveness.

Key Benefits:

  • Restores valve timing accuracy and smooth engine operation.
  • Increases power and torque, especially in performance-tuned engines.
  • Improves fuel combustion efficiency for cleaner running.
  • Ensures long-term reliability with precision-machined surfaces and premium materials.
  • Perfect fitment with no modification required on compatible Porsche engines.

Whether maintaining a classic flat-six or upgrading a modern turbocharged engine, these camshafts are designed to deliver manufacturer-level precision with motorsport-grade durability.

Highlights:

  • Precision-engineered camshafts for Porsche models old and new.
  • Enhanced performance and reliability, meeting manufacturer standards.
  • Motorsport-grade construction ensures durability under extreme loads.
  • Improved airflow and combustion efficiency for optimal power delivery.
  • Ideal for restorations, rebuilds, and performance tuning projects.
  • Designed for seamless compatibility with Porsche flat-six, turbo, and hybrid engines.       

You may also like
Popular Models