273-3553: 17.62mm Gray Iron Casted Valve Guide
274-4490: M12X1.5 Threaded Rocker Arm Adjusting Screw
![274-4491: 3/8-24\" Threaded Rocker Arm Adjusting Screw](https://www.cat-oem.com/uploadfile/2024/08/CM20240507-835b6-88095.jpg "274-4491: 3/8-24\\" Threaded Rocker Arm Adjusting Screw")
274-4491: 3/8-24\" Threaded Rocker Arm Adjusting Screw
![274-4492: 9/16-18\" Threaded Rocker Arm Adjusting Screw](https://www.cat-oem.com/uploadfile/2024/08/CM20240507-d9f7d-9177c.jpg "274-4492: 9/16-18\\" Threaded Rocker Arm Adjusting Screw")
274-4492: 9/16-18\" Threaded Rocker Arm Adjusting Screw
274-5873: Shaft As-Rkr
276-3875: 17.62mm Outer Diameter Valve Guide
276-8133: Rocker Arm Valve Cap
276-8180: Valve Mechanism Cover Base Assembly
109-6857: Manifold Housing
278-4843: HEAD GP-CYL
278-5111: Valve Rocker Arm
278-5126: Valve Push Rod
