The Stage 2 Cylinder Heads are built with all Inconel valves
The PDI Big Boss In-Frame Overhaul Kit for CAT 3406E & C15 features laser-hardened top ring grooves for extended piston life
the PDI Big Boss Overhaul Kit delivers premium internal components designed to restore compression
OEM Reference Part Number 146-9445
Models: Caterpillar C15 and 3406E
PDI Volvo D13 Head Gasket Set | 22522221 146-9445 The Stage 2 Cylinder HeadsThe PDI Volvo D13 Head Gasket Set is designed for durability, proper clamp load, and long term reliability. When rebuilding or servicing a D13 engine, sealing integrity is non negotiable. PDI gasket sets are engineered to deliver dependable combustion sealing, oil control, and coolant containmentwhether youre performing an in frame, out of frame, or replacing a cylinder head. Each gasket is manufactured to meet or exceed OEM specifications, ensuring