The notation “Piston & Ring Kit, .50mm Oversize – HCC3802249” suggests that this kit includes pistons and piston rings designed for use in an engine that has been machined or worn beyond standard specifications, with a 0.50 millimeter oversize. Oversize pistons are commonly used during engine rebuilds when the cylinder bores need to be enlarged to accommodate new pistons and restore proper functioning.

Specifications:

Includes:

• (1) HCC3802232 Piston & Rings
• (1) HCC3919044 Piston