A powerful & effective degreaser that can be used in a wide range of cleaning applications including automotive, industrial & agricultural. Gunk is the world's leading brand of water soluble engine degreasant
- Specifically formulated o give prolonged contact with grease, oil & grime deposits which build up on engines. This self emulsifying formula penetrates deep into grease & oil to release it from the surface of your engine. Use with engine brushes. Available in Aerosol (500ml), 2.5 litre & 5 litre.

Features: Deep cleaning & fast acting Rinses clean with water Recommended to remove grease & grime from auto, power mower, marine & tractor engines, metals, concrete & tires, industrial equipment where water is permitted.


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Static timing is fine for getting an engine running, but to get it running well you need to test it dynamically. To do that you'll need a strobe timing light. Hook up to the battery, slip the inductive pick up over plug lead number one, dial in the amount of advance required (up to 60 degrees is available) & run the engine. The bright, white strobe clearly illuminates the timing mark allowing you to make accurate adjustments. Comes complete with detailed instructions. Magazines Reviews:
- Mini Magazine (April 2008):  a well-priced & well-made advance adjustable unit that performed superbly.
- Classics Montly (October 2009, page 89): Great value Product into :  Light, Good value, Easy to set up & Rubber nose gives protection. See the How Can I Improve the fuel consumption & running of my engine with the Xenon Timing Light? article in the Technical Articles section

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Reliably test batteries & alternators & test charging systems ability, up to 100 amp loading capability. Safety switch prevents sparking. Heavy duty plated clamps. Suitable for most 12-volt car/van lead acid batteries. Product Information: Suitable for all 12V Lead/ Acid batteries & alternators & test charging systems ability. Tests up to 100amps. Safety switch prevents sparking. Heavy duty plated clamps. CE & Ro HS compliant. ...

Moisture in your brake fluid will give impaired performance & can be dangerous. This simple tester will check the percentage of water in your fluid, indicating when to replace it. Gunson 77002  Brake Fluid Tester is a simple & effective tester shows the condition of the brake fluid with a coloured response.
- Test percentage of water in the brake fluid
- Immerse the probe end of the tester into the brake fluid
- use regularly for brake maintenance
- Green indicates
- Yellow indicates 1.5>3%water = marginal
- Red indicates 3%





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Multiple carburettors need to draw in an equal amount of air to work efficiently. Listening to the sound of suction through a length of hose is time consuming &, depending on the ear, not necessarily that accurate. Carbalancer is accurate with its graded readout providing an instant comparison between carburettors. Works with Weber, Dellorto, SU, Amal & many others. Gunson G4053
- Carbalancer Internal combustion engines use a mixture of air & petrol to generate their power. The performance therefore is influenced by the air flowing into it & the petrol that is metered out by the carburettor. Unless the air flow in Twin or Multiple carburettors is correctly set, the correct mixture adjustment is unlikely to be achieved. Suitable for use on SU, Solex, Auto-Lite (Formoco) Stromberg, Weber & Zenith & can be adjusted to fit most carburettors including side-draught, down-draught with air intakes (Venurei) from 25mm to 67mm (1”-2”) diameter
- Easy read scale indicates the air flow & allows
- Provides smoother & better acceleration
- Carbalancer can be adjusted to fit most carburettor
- Easy to follow instructions




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3 sizes of Compression Tester adaptor for specific automotive applications: 10mm, 12mm & 18mm. They convert the thread on Colortune & Hi Gauge Comp & extends the use of your compression tester.
- 10mm Thread

Size: Suitable for most modern & classic cars.
- 12mm Thread

Size: Ideal for Two Stroke motorcycles & classic motorcycles
- 18mm Thread

Size: for 18 mm plug holes & Ford OHC engines See the How do I adjust the carb on my vehicle ? article in the Technical Articles section








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3 sizes of Compression Tester adaptor for specific automotive applications: 10mm, 12mm & 18mm. They convert the thread on Colortune & Hi Gauge Comp & extends the use of your compression tester.
- 10mm Thread

Size: Suitable for most modern & classic cars.
- 12mm Thread

Size: Ideal for Two Stroke motorcycles & classic motorcycles
- 18mm Thread

Size: for 18 mm plug holes & Ford OHC engines See the How do I adjust the carb on my vehicle ? article in the Technical Articles section








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3 sizes of Compression Tester adaptor for specific automotive applications: 10mm, 12mm & 18mm. They convert the thread on Colortune & Hi Gauge Comp & extends the use of your compression tester.
- 10mm Thread

Size: Suitable for most modern & classic cars.
- 12mm Thread

Size: Ideal for Two Stroke motorcycles & classic motorcycles
- 18mm Thread

Size: for 18 mm plug holes & Ford OHC engines See the How do I adjust the carb on my vehicle ? article in the Technical Articles section








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Save pound’s by having the correct fuel mixture. Tests proved that Colortune can save petrol by enabling you to correctly adjust the fuel mixture at the Carburettor. It actually provides a window into the combustion chamber as the engine runs, so you can adjust the colour of the combustion flame. Pays for itself in petrol savings. ...

Save pound’s by having the correct fuel mixture! Fuel mixture adjustment can be a hit & miss affair. Not with Colortune. This easy-to-use tool temporarily replaces one spark plug at a time providing a window into each individual combustion chamber. Adjust the mixture with the engine running until the correct bunsen blue combustion colour is achieved – job done. Works on carburettor fed & fuel-injected engines. Pays for itself in petrol savings. Its unique design maintains compression while the engine runs & ensures correct firing of the mixture. Gunson G4074 Colortune Single Plug Kit (14mm thread) fits most standard petrol engines. Colortune adaptors are also available. See the How do I adjust the carb on my vehicle ? article in the Technical Articles section ...