KTA50 Cummins Intake Valve Kit 3803515 Parts Catalog Ref No. Part Name Part No. Required Cylinder Head 3811987 2 Valve Spring Retainer 205094 4 Intake Valve Kit 3803515 2 1 Valve Collet 205091 4 3 Intake Valve 3088393 2 Exhaust Valve Kit 3803529 2 1 Valve Collet 205091 4 4 Exhaust Valve …