Patent ID: 7823555

Claim:
A valve lifter assembly for an internal combustion engine comprising: a valve lifter and a guide for said lifter; said lifter comprising: an elongated housing; a cam follower mounted at one end of said housing, a bore in said housing, said bore having an opening at the other end of said housing, a hydraulic lash adjuster mounted in said bore, said adjuster having a push rod end facing said opening, a first and second flats position in said bore, adjacent the other end of the housing, each of said first and second flats having a axial oriented flat surface and said adjuster positioned between said first and second flats, said guide comprising: a plate adapted to be fixed to an engine block, a push rod hole is on said plate which aligns with said opening of said bore a first and second walls extending downward from said plate and adjacent said push rod hole and said push rod hole positioned between said first and second walls, said first and second walls each having flat surfaces that align with an opposing flat surface of said first and second flats to orient and prevent rotation of said lifter in said assembly.