* High lubricity at maximum speed as a protection against seizure - allows tuners to exhaust theengines constructively. * No engine performance degradation over race distanceVisually noticeable deposits on spark plug and piston surfaces for engine tuning * Clear and different colored deposits for determining the running pattern even with unleaded fuel | Article: Castrol Power1 XR 77 Motor Oil 1 Liter | Article: Castrol Power1 XR 77 Motor Oil 1 Liter
