WISECO 3805HF File-Fit Piston Rings for 3.805 in Bore

WISECO 3805HF piston rings are designed for engines with a standard 3.805-inch cylinder bore. This file-fit ring set provides a precise fit for performance, repair, and engine-building applications where accurate end-gap adjustment is important. The set is intended for one cylinder and is supplied as a complete piston ring package.
The ring configuration includes 1/16-inch compression rings and a 3.0 mm oil ring, all produced with standard tension for dependable sealing and oil control. Ductile iron construction offers strength and durability, while the plasma moly face coating helps support wear resistance and consistent performance under demanding operating conditions.
Installation requires proper filing and measurement to achieve the recommended ring end gap for the specific engine application. Always verify bore size, piston compatibility, groove specifications, and manufacturer-recommended clearances before installation. The WISECO 3805HF is supplied as one set for a single cylinder and is suitable for builders who need reliable, adjustable piston ring performance.

Features:

• Standard 3.805 in bore compatibility

• File-fit design for precise ring end-gap adjustment

• 1/16 in compression ring thickness

• 1/16 in second ring thickness

• 3.0 mm oil ring thickness

• Standard tension for balanced sealing and oil control

• Ductile iron construction for strength and durability

• Plasma moly coating for enhanced wear resistance

• Designed for one cylinder

• WISECO part number 3805HF