Camshaft housing Genuine Porsche part 90110501251

Code: 90110501251

Genuine Porsche part

Camshaft housing

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

Before purchasing thoroughly check part to confirm compatibility.

Related products

5 5 5 5 5

Camshaft bolt tool for Porsche 911 3.2 Carrera / 964

SR9191

Product Information

CAM BOLT TOOL for 911 3.2 CARRERA / 964

stomski

STOMSKI RACING's version of the P9191 tool combines the basics of the factory tool and improves on it by adding an integral 19mm bushed socket that prevents slippage and rounding off of the cam bolt on the end of the 3.2 cam shafts.
The cam bolt on the 3.2 Carrera requires a torque of 88 foot pounds. Tightening the bolt to this spec, or loosening it using a breaker bar and the factory long-armed cam tool, requires dexterity, leverage, and serious luck that the deep socket does not slip off the head of the bolt, rounding it over, or busting knuckles in the process.
STOMSKI RACING's SR9191 securely holds an impact-quality socket in the center of a precision machined hardened steel socket, ensuring ease and accuracy in loosening the bolt, or setting the required torque. The bushing prevents the socket from being leveraged off the bolt head, keeping it squarely in place for the most accurate torque and security during installation and removal.

The SR9191 replaces both the factory P9191 tool and our SR078.

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Related, superseded, cross reference or alternative numbers for comparison.

SR9191

90110554604

90110505500

The product you are viewing cross references to these numbers

3 3 3

Camshaft chain sprocket. Porsche 911 1965-89

90110505500/1

Product Information

Camshaft chain sprocket.
Camshaft timing chain sprocket engages with the timing chain to drive the camshaft at the correct speed relative to the crankshaft. It is precisely manufactured to replicate the original sprocket’s profile, tooth count, and material properties so that it performs and fits like the genuine factory part.

Fits:
Porsche 911 1965 - 1989

Diagram ref no 6.

The camshaft chain sprocket works in conjunction with the timing chain and crankshaft sprocket to ensure the camshaft and crankshaft remain correctly synchronised. This synchronisation is crucial for precise valve timing - determining when intake and exhaust valves open and close relative to piston position. Proper timing is essential for efficient combustion, smooth engine performance, and long-term reliability.

The timing chain system is one of the most critical mechanical systems in an internal combustion engine. The sprockets that guide and drive the chain can wear or suffer surface fatigue, which may lead to:
•  Timing chain slack or noise
•  Inaccurate valve timing
•  Engine roughness or power loss
•  Increased wear on tensioners and guides.

Worn sprocket teeth can accelerate chain wear and compromise the whole timing train. Replacing the camshaft sprocket restores optimal fit, timing accuracy, and helps protect associated timing components - especially vital on high-mileage or restored classic engines.

Replace the camshaft chain sprocket if you notice:
•  Noticeable timing chain noise (rattle at start or idle)
•  Timing chain slack or visible elongation
•  During full timing chain/tensioner overhaul
•  Wear or damage on original sprocket teeth
•  Engine running irregularly or rough at idle

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

90110505500

90110505500

The product you are viewing cross references to these numbers

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Camshaft housing Genuine Porsche part 90110501251