Castrol Power 1 Racing 4T 10W-50 is designed for high performance sports bikes to deliver optimum power and protection in all conditions where API SN or JASO MA-2 are recommended."
"35118
Using 100% Synthetic Ester to provide increased power, optimum engine protection, ultimate performance and reliability. Proven formula developed in partnership with manufacturers and race teams."
"152884
Bel-Ray EXP Synthetic Ester Blend 4T Engine Oil is a 4-stroke motorcycle oil that combines the finest quality synthetic oils with select mineral base oils ensuring the highest level of protection for all 4-stroke...