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Porsche > 911 & 912 (1965-1989) > Engine Rebuild Parts >

Specialist Tools

Specialist Tools

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DISPLAYING 9 to 12 (of 50 products)
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Camshaft drive gear/inner sprocket puller for Porsche 911 - SR079
6
Camshaft drive gear/inner sprocket puller for Porsche 911
SR079
Product Information
Product Information
Cam drive gear/inner sprocket puller for Porsche 911

stomski

More than occasionally the inner sprocket on the end of the 911 camshaft is jammed or fused in place and refuses to budge. The confined space of the chain box makes it impossible to leverage the gear off, and even if you can get an edge, chances are you will only cock the gear, jamming it further, or possibly breaking a tooth on the gear (or even mar the cam itself).

STOMSKI RACING's SR079 centers over the end of the camshaft and slips behind the sprocket flange, allowing you to smoothly and effortlessly slide the gear off– protecting both the camshaft and the gear itself (and the curse jar!). Black oxide hardened steel with stainless steel drive bolt.

Designed to pull the seized inner sprockets from the ends of the camshafts on and early air cooled 911 likes SC's etc, probably up to mid-993 as we think by then they stopped using the pin you slide in from outer sprocket into available slot in the inner sprocket which the tool is for, it's held in place with woodruff key to end of camshaft.
Camshaft nut tool for Porsche 911 >>1980 - 90110517200, 901105181 - SR051
4
Camshaft nut tool for Porsche 911 >>1980
SR051
Product Information
Product Information
Cam nut tool for Porsche 911

stomski

This high quality tool is by far the best way to remove the nut off the end of the camshafts on early 911 engines (through 1980 1/2).

A 12-point socket fits precisely over the cam nut (46mm) while the cam holder fits through the center of the socket- ensuring no slippage, no more trashed nuts, and an easier torque of the nut.

Black oxide steel/cast.

Replaces BOTH factory tools P202 and P203.

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Related, superseded, cross reference or alternative numbers for comparison.

SR051
90110517200
901105181

The product you are viewing cross references to these numbers
Camshaft tool securing bar 9191 for Porsche 911 cam timing - 00072191910, P9191 - CAM01
2
Camshaft tool securing bar 9191 for Porsche 911 cam timing
00072191910/1
Product Information
Product Information
Camshaft Tool Securing Bar.
The OE Match Camshaft Tool Securing Bar is a precision-engineered engine timing service tool designed to securely lock and hold the camshafts in the correct position during engine maintenance and timing procedures on compatible Porsche models. Manufactured to OE specifications for accuracy, fit and durability, this specialist workshop tool ensures precise camshaft alignment, helping technicians carry out timing chain, timing belt, cylinder head and camshaft repairs safely and accurately.  

Fits:
  • 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)  

Manufactured from high-strength, heat-treated steel with a durable corrosion-resistant finish, the securing bar is engineered to withstand repeated workshop use while maintaining dimensional accuracy. Precision-machined to match the original Porsche service tool, it provides secure engagement with the camshafts, helping eliminate movement during critical engine assembly and timing operations.  

What This Product Does:
  • Locks the camshafts securely in the correct timing position.
  • Prevents camshaft movement during engine repairs.
  • Assists with accurate engine timing procedures.
  • Supports timing chain and timing belt replacement.
  • Helps simplify cylinder head and camshaft servicing.
  • Reduces the risk of incorrect camshaft alignment.
  • Provides OE-style workshop accuracy.
  • Forms an essential tool for professional Porsche engine servicing.

Symptoms Of Wear Or Failure:
  • Difficulty achieving accurate camshaft alignment.
  • Excessive play when fitted to the camshafts.
  • Bent or distorted tool body.
  • Damaged locating surfaces.
  • Excessive wear from repeated workshop use.
  • Corrosion affecting fitment or operation.
  • Difficulty securing the camshafts correctly.
  • Visible cracks or impact damage.
  • Inaccurate engine timing during servicing due to damaged tooling.
  • Reduced confidence in timing accuracy.

Why Replacement Matters:

  • Accurate camshaft positioning is critical when carrying out engine timing procedures. Even slight movement of the camshafts during servicing can result in incorrect valve timing, poor engine performance or, on interference engines, costly internal engine damage.
  • A worn, bent or damaged securing bar may not hold the camshafts securely, increasing the risk of inaccurate timing during assembly. Using a precision-engineered replacement tool ensures the camshafts remain correctly positioned throughout the repair process, helping technicians complete servicing efficiently and accurately.
  • The OE Match Camshaft Tool Securing Bar is manufactured to OE standards using high-strength materials and precision machining, providing factory-style accuracy, exceptional durability and dependable long-term workshop performance. It is the ideal tool for professional Porsche workshops, engine rebuild specialists and experienced enthusiasts carrying out timing system maintenance.



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

00072191910
00072191910
P9191

The product you are viewing cross references to these numbers
Circlip injector™ for Prosche 911 - SR072, SR073, SR074, SR075, SR076, SR077
2
Circlip injector™ for Prosche 911
SR07
Product Information
Product Information
Circlip injector™ for Prosche 911

stomski

The cumbersome, awkward task of installing the wrist pin circlips into pistons has just gone from chore to joy. No more flying circlips, gouged fingers, scratched pistons, contortions, or swearing. Simply slip the circlip into the Circlip Injector Sleeve, insert the Circlip Injector Plunger, and "inject" the circlip into its wrist pin groove. Quick. Painless. Simple. Precisely machined from stainless steel.

Available in six stock sizes (19-24mm) and other sizes by special order (tool sizing corresponds to wrist pin diameter).

US Patent 8,302,304.

PDF Instructions (SR072)
DISPLAYING 9 to 12 (of 50 products)
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About Specialist Tools

Specialist Tools for Accurate, Efficient & High-Quality Porsche Engine Rebuilds

Engine rebuilds require precise measurements, correct assembly procedures and the right equipment to ensure every component fits and functions exactly as intended. Specialist tools are essential when working on Porsche engines due to their unique engineering, tight tolerances and model-specific service procedures. These tools enable technicians and enthusiasts to dismantle, inspect, rebuild and calibrate engines with professional accuracy—reducing the risk of damage, misalignment or incorrect installation.

Whether performing a full engine restoration, carrying out timing work, inspecting internal components or installing performance parts, using the correct specialist tools guarantees a reliable, long-lasting and high-quality rebuild.

What Specialist Engine Rebuild Tools Do

High-quality specialist tools ensure precision and safety throughout the rebuild process. They are designed to:

  • Accurately measure critical tolerances, including bore, deck height, ring gap and valve clearances
  • Correctly install and remove components such as crankshafts, pistons, liners and bearings
  • Support timing procedures, including camshaft alignment and intermediate shaft setup
  • Prevent damage to delicate components during disassembly and assembly
  • Improve rebuild efficiency with purpose-built fixtures and holding tools
  • Ensure even torque application, promoting proper sealing and component longevity
  • Assist in diagnostic tasks such as leak-down testing or compression verification

Specialist tools are essential for achieving a professional-grade engine build with reliable and repeatable results.

Why Workshop Tools Wear or Fail

Even well-engineered tools degrade over time due to heavy use, improper handling or exposure to harsh environments. Common causes of failure include:

  • Metal fatigue from repeated loading
  • Worn or stripped threads on pullers, press tools or torque tools
  • Corrosion from moisture or chemical exposure
  • Heat damage from working near exhaust or cylinder heads
  • Loss of calibration, particularly with measuring or torque-sensitive tools
  • Damaged contact points from misuse or excessive force
  • Contamination from debris or workshop dirt

A failing tool can cause inaccurate measurements, unsafe working conditions or even costly engine damage.

Why Specialist Tools Should Be Replaced or Upgraded

Replacing worn tools or upgrading to precision-engineered alternatives provides clear benefits:

  • Improved measurement accuracy for critical engine dimensions
  • More reliable component installation, reducing the risk of misalignment
  • Safer workshop practices, preventing injury or engine damage
  • Consistent torque and calibration, essential for sealing and bearing load
  • Enhanced efficiency, saving time during complex rebuild procedures
  • Better compatibility with modern engines and performance upgrades
  • Higher quality rebuild outcomes, improving engine reliability and longevity

Using proper tools is an investment in the quality of the rebuild and the health of the engine.

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