BOSCO TOUGH FULLY SYNTH 5W-40 is a fully synthetic Engine oil was bended with a premium quality base oil and Imported engine oil additive designed to provide maximum protection engine during cold starts, against engine wear, outstanding Resistance to viscosity and thermal breakdown at high temperatures and Protection against engine sludge and varnish formation of all passenger cars And light trucks of European, American, Japanese, Korean Vehicles. SAE 5W-40, ACEA: A3/B4-14 , BMW Longlife LL-01, MB Approval 229.3, 229.5, 226.5, Porsche A40, VW 502/505.00, PSA B71 2296, Renault RN 0700, RN 0710, Opel GM:LL -B-025(Note 1) And API: SN:CF เห็นชอบโดยกรมธุรกิจพลังงาน

BOSCO TOUGH High mileage 20W-50 is a gasoline engine oil blended with a high-quality base oil and high-quality lubricant additive designed to provide protection against
Engine wear, outstanding resistance to viscosity, and thermal breakdown
At high temperatures and protection against engine sludge and varnish
Formation of all gasoline engine cars of European, American, Japanese,
Korean Vehicles. Suitable for passenger cars that have run over 160,000 km.
SAE: 20W-50,  API: SN เห็นชอบโดยกรมธุรกิจพลังงาน

BOSCO TOUGH SYN-PLUS 10W-40 is a high-quality Group 3 base oil
And high-quality lubricant additive designed to provide protection
Engine during cold starts, against engine wear, outstanding resistance
To viscosity and thermal breakdown at high temperatures and engine cars of
European, American, Japanese and Korean Vehicles. SAE: 10W-40,
ACEA: A3/B4-10, BM 229.1, Renault RN 0700 , API : SN เห็นชอบโดยกรมธุรกิจพลังงาน