Assertion: roller's head | /r/HasProperty | modified among modification
Facets:
value: to enhance coolant flow
type: PURPOSE
Source sentences:
text: Among the modifications, the engine block and heads were modified to enhance coolant flow, the crankshaft was upgraded to a fully counter weighted forged unit, the billet roller cam had a unique profile, and the pistons were made of a stronger hypereutectic alloy.