The necessity for complete protection at sea is such that failure to defend against mechanical complications can lead to potential disaster. Our unique formulas are the best answer to providing an active defence and offer complete peace of mind in pursuit of engine preservation. No matter the size of vessel, with the addition of Bishop’s Original treatments and additives you can avoid the corrosive effects so commonly suffered on board. Whatever your trade, with improved performance and smoother sailings, you can look forward to great productivity and even greater profits. Furthermore, with improved engine protection the costs of maintaining your vessel will diminish, enabling you to avoid expensive mechanical repairs and engine replacements.

No other treatment can help sustain your engine for longer.

"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
2 x 354ml

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
2 x 354ml

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
354ml
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

Diesel Engine Treatment
Formula 400-D
354ml
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

Petrol Engine Treatment
Formula 460-G
354ml
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

Diesel Top End Treatment
Formula 696-D
354ml
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

Petrol Upper Cylinder Treatment
Formula 333-G
354ml
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