For Petrol / E10, Racing vehicles. 10 Tenths Race Castor is an ashless SAE 20W-40 engine oil manufactured from high quality castor vegetable oil, synthetic ester, anti-corrosion additives and an advanced anti-oxidant. This helps to reduce or eliminate traditional problems such as lacquers and deposits 10 Tenths Race Castor is also recommended for classic two and four stroke engines where the owner wishes to use a Castor based oil rather than mineral based oil. It is also suitable for use where monograde SAE 30 and SAE 40 Castor based products are used or recommended. This product may also be used as a premix in two stroke applications with both petrol & methanol fuels. 10 Tenths Race Castor contains corrosion inhibitors to combat potential problems with excess moisture being present when running on methanol. 10 Tenths Race Castor is suitable for use in two stroke engine premixes. It can be mixed with fuels such as unleaded and leaded petrol, E85, Avgas, Methanol and Racing Fuel. Due to a limited storage life, product should be mixed just prior to use. Please establish compatibility and stability before attempting to use in engine. Note Do not mix Race Castor Oil with mineral oils.
For Petrol / E10, Racing vehicles. 10 Tenths Race Castor is an ashless SAE 20W-40 engine oil manufactured from high quality castor vegetable oil, synthetic ester, anti-corrosion additives and an advanced anti-oxidant. This helps to reduce or eliminate traditional problems such as lacquers and deposits 10 Tenths Race Castor is also recommended for classic two and four stroke engines where the owner wishes to use a Castor based oil rather than mineral based oil. It is also suitable for use where monograde SAE 30 and SAE 40 Castor based products are used or recommended. This product may also be used as a premix in two stroke applications with both petrol & methanol fuels. 10 Tenths Race Castor contains corrosion inhibitors to combat potential problems with excess moisture being present when running on methanol. 10 Tenths Race Castor is suitable for use in two stroke engine premixes. It can be mixed with fuels such as unleaded and leaded petrol, E85, Avgas, Methanol and Racing Fuel. Due to a limited storage life, product should be mixed just prior to use. Please establish compatibility and stability before attempting to use in engine. Note Do not mix Race Castor Oil with mineral oils.
Penrite 10 TENTHS Race Castor Oil 20W-40 1L - RCAS001
For Petrol / E10, Racing vehicles. 10 Tenths Race Castor is an ashless SAE 20W-40 engine oil manufactured from high quality castor vegetable oil, synthetic ester, anti-corrosion additives and an advanced anti-oxidant. This helps to reduce or eliminate traditional problems such as lacquers and deposits 10 Tenths Race Castor is also recommended for classic two and four stroke engines where the owner wishes to use a Castor based oil rather than mineral based oil. It is also suitable for use where monograde SAE 30 and SAE 40 Castor based products are used or recommended. This product may also be used as a premix in two stroke applications with both petrol & methanol fuels. 10 Tenths Race Castor contains corrosion inhibitors to combat potential problems with excess moisture being present when running on methanol. 10 Tenths Race Castor is suitable for use in two stroke engine premixes. It can be mixed with fuels such as unleaded and leaded petrol, E85, Avgas, Methanol and Racing Fuel. Due to a limited storage life, product should be mixed just prior to use. Please establish compatibility and stability before attempting to use in engine. Note Do not mix Race Castor Oil with mineral oils.
For Petrol / E10, Racing vehicles. 10 Tenths Race Castor is an ashless SAE 20W-40 engine oil manufactured from high quality castor vegetable oil, synthetic ester, anti-corrosion additives and an advanced anti-oxidant. This helps to reduce or eliminate traditional problems such as lacquers and deposits 10 Tenths Race Castor is also recommended for classic two and four stroke engines where the owner wishes to use a Castor based oil rather than mineral based oil. It is also suitable for use where monograde SAE 30 and SAE 40 Castor based products are used or recommended. This product may also be used as a premix in two stroke applications with both petrol & methanol fuels. 10 Tenths Race Castor contains corrosion inhibitors to combat potential problems with excess moisture being present when running on methanol. 10 Tenths Race Castor is suitable for use in two stroke engine premixes. It can be mixed with fuels such as unleaded and leaded petrol, E85, Avgas, Methanol and Racing Fuel. Due to a limited storage life, product should be mixed just prior to use. Please establish compatibility and stability before attempting to use in engine. Note Do not mix Race Castor Oil with mineral oils.
in 24 offers
The lowest price for Penrite 10 TENTHS Race Castor Oil 20W-40 1L - RCAS001 right now is $38.00 at Oz General Store, compared across 20 retailers.
The all-time low was $13.31 on 14 July 2025 — today's price is 185% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 20 July 2026.
Last updated at 20/07/2026 04:04:51
Penrite 10 Tenths Race Castor Oil 1L
Delivery between 23–27 July $15
Penrite 10 Tenths Race Castor Oil Full Synthetic 20W-40 1L - RCAS001
Penrite 10 TENTHS RACE CASTOR OIL 20W-40 (Full Synthetic)
Delivery $12
Penrite 10 TENTHS 20W40 Race Castor Oil 1L RCAS001
Delivery between 20–30 July $10.95
Penrite Race Castor Oil 20W-40 Syn. RCAS001
Delivery between 24–31 July $9.70
Penrite 10 TENTHS 20W40 Race Castor Oil 1L | RCAS001 | Gasoline
Delivery $6.95
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Penrite 10 Tenths Race Castor Oil 20w-40 Two-stroke Rotary 1l
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Penrite Oil 10 Tenths Race Castor Synthetic Oil 20W40, Two-Stroke Rotary Rx7 Rx5
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
1 X Penrite 10 Tenths Race Castor Oil 20w-40 (full Synthetic) 1l
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Penrite 10 Tenths Go Cart Race Castor Oil 20W-40 1L | 20W-40 | Gasoline | Full Synthetic | Pack of 1 | RCAS001
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
originally posted on ebay.com
Blends beautifully with E85
originally posted on repco.com.au
I brought this to run in my chainsaw and other small engines. it offers the best protection for your motor, smells great and is priced reasonably although getting on the high side but worth it.
originally posted on autobarn.com.au
Quality race Castor oil. Used for 2 stroke karts and performs well
| Warranty | Manufacturers Warranty |
| Viscosity | 20W40 |
Penrite 10 Tenths Race Castor Oil 1L
Delivery between 23–27 July $15
Penrite 10 Tenths Race Castor Oil Full Synthetic 20W-40 1L - RCAS001
Penrite 10 TENTHS RACE CASTOR OIL 20W-40 (Full Synthetic)
Delivery $12
Penrite 10 TENTHS 20W40 Race Castor Oil 1L RCAS001
Delivery between 20–30 July $10.95
Penrite Race Castor Oil 20W-40 Syn. RCAS001
Delivery between 24–31 July $9.70
Blends beautifully with E85
I brought this to run in my chainsaw and other small engines. it offers the best protection for your motor, smells great and is priced reasonably although getting on the high side but worth it.
Quality race Castor oil. Used for 2 stroke karts and performs well
| Warranty | Manufacturers Warranty |
| Viscosity | 20W40 |
