692557 – Hex Washer Head Metric Screw, 691890 – Rocker Cover Gasket, 797433 – Metric Rocker Arm, 555550 – Valve Retainer, 691343 – Push Rod Guide, 26826 – Valve Spring, 694088 – Cylinder Head Plate Gasket, 699481 – Hex Washer Head Metric Screw, AR3910X – Autolite Spark Plug, 557118 – Valve Guide Bushing, 555635 – Cylinder Head Assembly, 555723 – Cylinder Head Gasket, 693517 – Push Rod, 555551 – Intake Valve, 555552 – Exhaust Valve