JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various materials, and in multiple thicknesses to suit a wide variety of engines. JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating. These services, the same used by top NHRA Pro Stock and NASCAR teams, are now available to the public and offer tremendous gains in durability, power through reduced friction, and improved ring seal.
- Bore (in.):
- 4.155
- Top Ring Included:
- Yes
- Top Ring Thickness:
- 1.2mm
- Top Ring Facing Material/Top Ring Material:
- Nitride/Steel
- Second Ring Included:
- Yes
- Second Ring Thickness:
- 1.5mm
- Second Ring Facing Material/Second Ring Material:
- Phosphate/Iron
- Oil Ring Included:
- Yes
- Oil Ring Thickness:
- 3.0mm
- Oil Ring Facing Material/Oil Ring Material:
- Carbon Steel/Chrome plated carbon steel
- Oil Ring Tension:
- Standard
- Oil Ring Tension Rating (lb.):
- N/A
- Gapless:
- No
- File Fit:
- Yes
- Gas Ported:
- No
- Quantity:
- Sold as a set of 8.
- Notes:
- Napier design second ring.
