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JE Pistons

JE Pistons JJ820F8-4155-5 Hardened Nitrous Series Piston Rings 4.155" Bore +.005"

JE Pistons JJ820F8-4155-5 Hardened Nitrous Series Piston Rings 4.155" Bore +.005"

JE-JJ820F8-4155-5
$557.30 AUD
$557.30 AUD
Sale Sold out
Tax included. Shipping calculated at checkout.

JE Pistons HNS hardened nitrous series rings are specially designed for use with turbo and nitrous applications. They have 20 percent more tensile strength than conventional ductile iron top rings. They're available in various heights in both standard and reduced radial widths.



  • Bore (in): 4.155 in.
  • Bore (mm): 105.537mm
  • File Fi Yes
  • Top Ring Included: Yes
  • Top Ring Thickness: 1/16 in.
  • Second Ring Included: Yes
  • Second Ring Thickness: 1/16 in.
  • Oil Ring Included: Yes
  • Oil Ring Thickness: 3/16 in.
  • Oil Ring Tension: Standard
  • Oil Ring Tension Rating: 17-18 lb.
  • Gapless: No
  • Top Ring Material: Ductile iron
  • Top Ring Facing Material: Manganese
  • Second Ring Material: Iron
  • Second Ring Facing Material: Phosphate coated
  • Oil Ring Material: Chrome plated carbon steel
  • Quantity: Sold as a set.
  • Notes: Barrel face D-wall torsional top ring, taper face D-wall reverse torsional second ring with SS50U style oil ring.

Manufacturer Part Number:

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