Description
Piston rings are the unsung workhorses of engine performance—they seal combustion pressure, control oil consumption, and directly impact power output and engine longevity. The Hastings CM5532 delivers OEM-quality ring geometry and plasma moly coating for consistent blow-by control and reduced wear, whether you’re running stock power or moderate boost. If you’re rebuilding an engine that demands reliability without compromise, this is the ring set you need.
- 4.000 in bore
- 1/16 x 1/16 x 3/16 in
- Plasma moly coating
- Standard tension
- 8-cylinder kit
- Claimer-grade specification






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