I have and old hayter mower with a Briggs and Stratton engine.the carb has a pivoting plastic part at the top ,is this safe on plastic?

I would only use lithium based purple grease or we 40 applied with the straw type applicator but personally I would use only grease as due to the age of your mower it's best to err on the side of safety from Steve altimas

Can this be used on brake drums foe cleaning

I would say yes, it cleans very well, strips paint as well.

Is it Safe on Aluminium engine parts ?

If you have some aluminium spare somewhere,try it first on that.My mower may have some spray painted pieces,and it did not seem?,to affect those parts.Caution first👍

I sprayed it directly to the brake caliper and brake rotor without removing anything. Will it damage the paint of my black alloy wheels? Thank you.

It is meant more for removing protective coatings on the brake disc--It is possible that it may affect the paint on the wheels --It depends on how the alloy wheels were "Painted" -- Some wheel coatings are very hard and it probably wont worry it but ordinary paint will probable bubble --Check the directions on the can

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Description

⚙️ Clean carb, boost power — don’t let grime slow you down!

PERFORMANCE MAXIMIZER - Regular use prevents dirt buildup, enhancing engine power and fuel efficiency.
MULTI COMPONENT CLEANING - Cleans linkages, automatic chokes, and PCV valves for comprehensive maintenance.
UK MADE QUALITY ASSURANCE - Trusted British engineering for reliable, professional-grade vehicle care.
PRECISION CARBURETTOR CARE - Effectively removes gum, sludge, varnish, and carbon deposits to keep your engine running smoothly.
POWERFUL 500 ML AEROSOL SPRAY - Fast-acting formula designed for quick, thorough cleaning.

STP Carb Spray Cleaner is a 500ml aerosol designed to rapidly dissolve and remove gum, sludge, varnish, grease, and carbon deposits from carburettors, linkages, and automatic chokes. Made in the UK, it helps maintain engine efficiency and performance by preventing harmful buildup, ensuring your vehicle runs at its peak.

Reviews

A**N

Emissions and Adblue error gone

I never write reviews but this small bottle saved me alot of money. I had a engine management light come on regarding adblue error and emissions error. Audi A4 2020 TDi. I thought id give this ago before going to the garage. I put £40 diesel into my tank. Added a bottle and took the car for a blast on the motorway for 20minutes. After 15 minutes the light had dissappeared and no more error. What a life saver.

1.08.2025

A**T

Super , works instantly 😊

Just used this morning at 7am. It’s now 10:30 am. I drive my car on eco pro which shows me how many miles I’m saving. Now usually on my two morning journeys I save around 0.6-0.9 well since adding this and doing my normal two journeys I’ve saved a whopping 1.9 miles doing approximately 11 miles! Coincidence? I don’t think so! I will definitely be using it again and won’t be without it now.

23.05.2025

A**.

Decent Boost, But Don’t Expect Miracles

Used this in my diesel and noticed the engine felt a bit smoother and started easier after a couple of drives. Might’ve given me a slight bump in fuel economy too, but nothing dramatic. Easy to pour in and no issues with the car after. Good for maintenance, just don’t expect instant night-and-day results.

17.08.2025

M**.

Did what it said on the tin.

It did a good job and was easy to use.

29.08.2025

A**S

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