The inevitable wear and tear of daily engine use can often lead to expensive repairs and the rapid depreciation in the value of your car. Whether driving petrol or diesel, with manual or automatic transmissions, the rigours of age will eventually affect each and every vehicle. But it is possible to increase its longevity and protect your motor investment? The simple answer is yes.

With the addition of Bishop’s Original’s treatments and additives to your vehicle, you can be safe in the knowledge that even once your warranty has expired, the state and performance of your engine will remain in peak condition for longer.

Benefiting from the unique, efficient and popular formulas first produced by John Bishop in the 1970s has never been easier. With the UK launch of these great value, long-lasting formulas, you too can look forward to the incredible savings that come simply from treating your car.

"The test data indicated that the
treated engine exhibited a significant
improvement in power and fuel
economy."
Oklahoma State University

See Testimonial

Petrol Engine Treatment
& Petrol Upper Cylinder Treatment Kit
Formula 460G + 333G

Price: £47.95
Further Info

Benefits
• Effectively cleans without attacking metal
• Seal compatibility for longer life
• Thermal stability high flash and boiling point
• Chemically stable compatible with all
   engine oils

Diesel Engine Treatment
& Diesel Top End Treatment Kit
Formula 400D + 696D

Price: £47.95
Further Info

Benefits
• Effectively cleans without attacking metal
• Seal compatibility for longer life
• Thermal stability high flash and boiling point
• Chemically stable compatible with all
  engine oils

Sludge Out
Formula 501
If you’re tired of problems with you engine due to deposits
of sludge and varnish, our popular and unique Sludge Out
formula is the perfect solution. By draining out harmful
build-ups of sludge and varnish, the protection your engine
can enjoy against mechanical failure is greatly enhanced.

Price: £17.95
Further Info

Benefits
• Effectively cleans without attacking metal
• Seal compatibility for longer life
• Thermal stability high flash and boiling point
• Chemically stable compatible with
   all engine oils


354ml

Diesel Engine Treatment
Formula 400-D
Protection from wear, corrosion and harmful acids, as well
as the ability to increase horsepower, reduce oil loss and
maintain engine performance are all claims to have been
made by engine treatments over the years, many since
refuted. For the first time, these and much more are the
guaranteed benefits to be had from the simple addition of
just one engine treatment – Bishop’s Original Diesel
Engine Treatment.

Price: £37.95
Further Info

Benefits
• Reduces friction, heat, wear, oil
  consumption, corrosion
• Improves compression, horsepower, fuel
  mileage, engine life, cold weather starts
• Protection from oil shear, oil loss,
  additive breakdown, acids and dry starts


354ml

Petrol Engine Treatment
Formula 460-G
To maintain the peak performance of your engine, Bishop’s
Original Petrol Engine Treatment is the perfect solution.
This unique formulation has been scientifically-engineered
to preserve the engine’s optimum condition, reducing the
possibilities of oil loss and additive breakdown, all the while
increasing its life span, enhancing compression and more.

Price: £37.95
Further Info

Benefits
• Reduces friction, heat, wear, oil
  consumption, corrosion
• Improves compression, horsepower, fuel
  mileage, engine life, cold weather starts
• Protection from oil shear, oil loss,
  additive breakdown, acids and dry starts


354ml

Diesel Top End Treatment
Formula 696-D
Thoroughly cleansing the entire fuel of your engine and
providing long-lasting lubrication to surfaces within the
combustion chamber, Bishop’s Original Formula 696-D has
been scientifically engineered to increase performance of
diesel engines around the world.

Price: £17.95
Further Info

Benefits
• Lubricates top end
• Improves fuel economy
• Effectively cleans without attacking metal
• Cleans injectors
• Removes rust and corrosion
• Alleviates hesitation
• Compatible with all engine oils


354ml

Petrol Upper Cylinder Treatment
Formula 333-G

Designed exclusively for engines running on propane gas,
this versatile formula will provide a complete cleansing of
not only the engine’s combustion chamber, but the entire
fuel system as a whole. Add Formula 333-G to your engine
and experience for yourself optimised performance and
effective protection.

Price: £17.95
Further Info

Benefits
• Lubricates top end
• Improves fuel economy
• Effectively cleans without attacking metal
• Cleans injectors and spark plugs
• Removes rust and corrosion
• Alleviates hesitation
• Compatible with all engine oils