A full selection of premium Pro Seal piston rings are listed by bore size. Top compression rings are barrel-faced ductile iron with a plasma moly coating. Second rings are taper face cast iron with a phosphate coating. Standard or low tension oil rings are chrome-plated carbon steel. All sets listed are file fit installation.
- Bore (in.):
- 4.390 in.
- Bore (mm):
- 111.506mm
- Top Ring Included:
- Yes
- Top Ring Thickness:
- 1/16 in.
- Top Ring Material:
- Ductile iron
- Top Ring Facing Material:
- Plasma Moly
- Second Ring Included:
- Yes
- Second Ring Thickness:
- 1/16 in.
- Second Ring Material:
- Ductile iron
- Second Ring Facing Material:
- Phosphate
- Oil Ring Included:
- Yes
- Oil Ring Thickness:
- 3/16 in.
- Oil Ring Material:
- Steel
- Oil Ring Facing Material:
- Chrome
- Oil Ring Tension:
- Low
- Oil Ring Tension Rating:
- 13-14 lb.
- Gapless:
- No
- Gas Ported:
- No
- File Fit:
- Yes
- Quantity:
- Sold as a set of 8.
- Notes:
- Barrel face D-wall torsional top ring, taper face D-wall reverse torsional second ring with full seal flex vent style oil ring.
