Lucas Synthetic SAE 10W-40 High Performance Motorcycle Oil is formulated with an exclusive additive package that is not found in other brands. It contains a high level of detergents and dispersants to resist sludge and varnish formation. Formulated for wet clutch applications. Lucas Synthetic SAE 10W-40 High Performance Motorcycle Oil is formulated to lower engine temperature and raise oil pressure, reduce noise and increase performance. It offers maximum protection with minimum drag.