Four-Stroke Engine Oils
Classic 20W/50 Multigrades (Mineral base)
Classic 20W/50 Multigrades (Mineral base)
Classic Oils of Aylesbury stock a wide range of 20W50 oils for your classic vehicle including oil dedicated to the classic Mini. If you're looking for a replacement for Duckhams, we can point you towards the best of the rest!
Other Classic Multigrades (Mineral base)
Other Classic Multigrades (Mineral base)
If you want a classic multigrade in a viscosity other than 20W50, we stock Classic oils in several viscosities which can help to address specific issues for your classic car or motorcycle
Classic Multigrades (Synth base)
Classic Multigrades (Synth base)
Synthetic-based engine oils designed specifically for your classic vehicle's needs. Ideal for racing and hard use.
Motorcycle-specific Engine Oils
Motorcycle-specific Engine Oils
Motorcycle Engine Oils designed for modern machinery and wet clutches
SAE 20 Monogrades
SAE 20 Monogrades
Products by Application
SAE 30 Monogrades
SAE 30 Monogrades
Products by Application
SAE 40 Monogrades
SAE 40 Monogrades
Products by Application
SAE 50 Monogrades
SAE 50 Monogrades
Products by Application
Competition Engine Oils
Competition Engine Oils
Choose what viscosity and type of oil (straight or multigrade) is most suited to your classic or vintage vehicle.
'Year-Round' mixed cases
'Year-Round' mixed cases
Choose what viscosity and type of oil (straight or multigrade) is most suited to your classic or vintage vehicle.
Flushing and Running-In Oils
Flushing and Running-In Oils
Products by Application
Modern Multigrades
Modern Multigrades
Products by Application
Four-Stroke Engine Oils
insight & classic oils hot hatch 10w-40
Insight & Classic Oils Hot Hatch 10W-40
Insight oil analysis with Classic Oils Hot Hatch 10W-40 (5 litre, 2x5 litre)
£51.95
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insight & penrite hpr5
Insight & Penrite HPR 5
Insight Oil Analysis with Penrite HPR5 5W-40 (5 litre, 2x5 litre)
£62.95
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insight & penrite 10tenths racing 20
Insight & Penrite 10Tenths Racing 20
Insight Oil Analysis with Penrite 10Tenths Racing 20 20W-60 (5 litre, 2x5 litre)
£99.95
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insight & penrite 10tenths racing 5
Insight & Penrite 10Tenths Racing 5
Insight Oil Analysis with Penrite 10Tenths Racing 5 5W-30 (5 litre, 2x5 litre)
£89.95
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insight & penrite hpr 15
Insight & Penrite HPR 15
Insight Oil Analysis with Penrite HPR15 15W-60 (5 litre, 2x5 litre)
£62.95
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insight & classic oils muscle car 10w-30
Insight & Classic Oils Muscle Car 10W-30
Insight Oil Analysis with Classic Oils Muscle Car 10W-30 (5 litre, 2x5 litre)
£53.95
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classic oils cross country ep20w-50
Classic Oils Cross Country EP20W-50 GL4
A universal oil for Land Rover Series 1, 2 and 3 engines, gearboxes and diffs (25 litre)
£129.95
insight & classic oils beetlejuice hd 30
Insight & Classic Oils Beetlejuice HD 30
Insight oil analysis with Classic Oils Beetlejuice HD30 mineral oil (5 litre, 2x5 litre)
£49.95
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penrite premium mineral 15w/40
Penrite Premium Mineral 15w-40
Very high quality mineral oil, recommended for Mazda rotary engines (5 litre)
£27.95
insight & penrite classic mini 20w-50
Insight & Penrite Classic Mini 20W-50
Insight Oil Analysis with Penrite Classic Mini 20W-50 (5 litre, 2x5 litre)
£59.95
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insight & penrite premium mineral 15w-40
Insight & Penrite Premium Mineral 15W-40
Insight Oil Analysis with Penrite Premium Mineral 15W-40 (5 litre, 2x5 litre)
£55.95
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penrite classic plus 15w-50
Penrite Classic Plus 15W-50
Very high quality, mid-detergent engine oil (5 litre)
£29.95
castrol magnatec stop-start 5w-30 c3
Castrol Magnatec Stop-Start 5W-30 C3
Magnatec Stop-Start is an Engine Oil for modern traffic, designed for the rigours of stop-start, on-off driving conditions (5 Litres)
£42.95
case of castrol xl 20w/50 (4x1 gal) - only £90
Case of Castrol XL 20w/50 (4x1 gal) - only £120
Case of 1 gallon metal cans of Castrol Classic XL 20w/50 (4x1 gal, 8x1 gal)
£120.00
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classic oils heritage 20w50 from £15.50 per 5 litre!
Heritage 20W50
Classic Oils' own high-zinc classic 20W50 mineral oil with 1300ppm ZDDP (5 litre, 25 litre)
£19.95
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penrites high performance broad spectrum classic multigrades by the case! (4 x 5 litre)
Case of Penrite Classic 4x5 litres just £120!
Penrite's High Performance broad spectrum Classic multigrades by the case! (4 x 5 litre)
£120.00
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A mixed case of 2 x Pistoneeze P30 and 2 x Pistoneeze P40 (4 x 5 litres)
Millers Pistoneeze Year-Round Mixed Case
A mixed case of 2 x Pistoneeze P30 and 2 x Pistoneeze P40 (4 x 5 litres)
£111.80
a mixed case of 2 x 1 gallon of castrol xl30 and 2 x 1 gallon of xxl40
Year-Round Mixed Case of Castrol (4x1 gal) - only £120
A mixed case of 2 x 1 gallon of Castrol XL30 and 2 x 1 gallon of XXL40
£120.00
classic oils hot hatch 10w-40
Classic Oils Hot Hatch 10W-40
Semi synthetic 10W-40 engine oil suitable for later classics, including many Hot Hatches from the 1980's and 90's (5 litre, 25 litre)
£21.95
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a case of 4 x 5 litres of penrites amazing vintage multigrades for just £120
Case of any Penrite Shelsley oil - £120!
A case of 4 x 5 litres of Penrite's amazing vintage multigrades for just £120
£120.00
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a mixed case of 2 x millerol m30 and 2 x millerol m40 (4 x 5 litres)
Millers Millerol Year-Round mixed case
A mixed case of 2 x Millerol M30 and 2 x Millerol M40 (4 x 5 litres)
£107.80
our best selling classic multigrade. choice of 1 litre, 5 litre, cases of 4x or 8x 5 litres and 25 litre drums
Morris Golden Film 20W-50
Our best selling classic multigrade. Choice of 1 litre, 5 litres and 25 litre drums.
£19.95
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Silkolene's Classic 20W50 at a great price for discerning classic motorists (5 litre or case of 4 x 5 litre)
Silkolene Silkolube 20W50
Silkolene's Classic 20W50 at a great price for discerning classic motorists (5 litre)
£0.00
cases of 4 x 1 gallon metal cans of castrol xl30, xxl40 and gp50 engine oil at low prices!
Case of any Castrol Monograde (4x1 gal)
Cases of 4 x 1 gallon metal cans of XL30, XXL40, GP50 and 'Year Round' engine oil at low prices!
£120.00
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classic oils beetlejuice hd30
Classic Oils Beetlejuice HD30
Specially blended Heavy Duty oil for earlier VW Beetles and Campers requiring an SAE30 (5 litre, 25 litre)
£19.95
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a light monograde lubricant, ideal for primary drive chaincases (5 litres and case of 4 x 5 litres)
Morris Golden Film SAE 20
A light monograde lubricant, ideal for primary drive chaincases (5 litres)
£21.95
a high-specification classic multigrade (1 litre, 5 litre, case of 4 x 5 litres, 25 litre drum)
Millers Classic Pistoneeze 20w50
A high-specification classic mineral multigrade (1 litre, 5 litre, 20 litre drum)
£30.95
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Penrite's High Performance 20W/60 broad spectrum Classic multigrade (5 litres, 4 x 5 litres, 20 litre drum)
Penrite Classic Light
Penrite's High Performance 20W-60 broad spectrum Classic multigrade (1L, 5L, 20L)
£32.95
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classic oils muscle car 10w-30
Muscle Car 10W-30
Low viscosity multigrade suitable for many American V8's of the 1960's and 70's. (5 litre, 25 litre)
£23.95
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a classic 20w/50 beloved by many (1 gallon tins and case of 4 x 1 gal)
Castrol XL 20w/50
A classic 20w/50 beloved by many (1 gallon tins)
£29.95
sae 30 classic monograde engine oil (1, 5, 4x5 litre case and 25 litres)
Morris Golden Film SAE 30
SAE 30 classic monograde engine oil (1, 5 and 25 litres)
£21.95
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An engine oil for Minis and other combined engine / gearbox applications (5 litres and 4 x 5 litres)
Millers Classic Mini Oil 20w50
An engine oil for Minis and other combined engine / gearbox applications (5 litres)
£30.95
A low detergent mongrade engine oil loved by many (1 gal and 4 x 1 gal)
Castrol XL30
A low detergent monograde engine oil loved by many (1 gal)
£29.95
penrite hpr40 high performance 25w/70 classic motor oil (5 litres, 4 x 5 litres, 20 litre drum)
Penrite Classic Medium
Penrite High Performance 25W/70 Classic motor oil (5 litre, 20 litre drum)
£32.95
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A traditional summer-weight mongrade oil for many classic applications (1 gal and 4 x 1 gal)
Castrol XXL40
A traditional summer-weight mongrade oil for many classic applications (1 gal)
£29.95
a straight 40-weight oil, available from stock in 1, 5, 4x5 case and 25 litre sizes
Morris Golden Film SAE 40
A straight 40-weight oil, available from stock in 1, 5 and 25 litre sizes
£21.95
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high performance 40/70 classic motor oil formulated to replace sae50 (5 litres and 4 x 5 litres)
Penrite Classic Heavy
High Performance 40-70 classic motor oil formulated to replace SAE50 (1 litre, 5 litre)
£32.95
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semi synthetic engine oil for classic performance and sports car engines (5 litres,4 x 5 litres, 25 litre drum)
Millers Classic Sport 20w50
Semi synthetic engine oil for classic performance and sports car engines (5 litres, 20 litre drum)
£35.95
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millers classic sport 20w60 5 litre
Millers Classic Sport 20w60
Extra high performance semi synthetic 20w60 (5 litre)
£35.95
Mineral based low detergent SAE 50 monograde engine oil (1 gal and cases of 4 x 1 gal)
Castrol GP50
Mineral based low detergent SAE 50 monograde engine oil (1 gal)
£29.95
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