JE Pistons HNS Hardened Nitrous Series Piston Rings J820F8-4280-5

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.Brand: JE Pistons
Manufacturer's Part Number: J820F8-4280-5
Part Type: Piston Rings
Product Line: JE Pistons HNS Hardened Nitrous Series Piston Rings
HP Direct Part Number: JEP-J820F84280-5
UPC: 00193564229496
Bore (in.): 4.280 in.
Bore (mm): 108.712mm
File Fit: Yes
Gapless: No
Gas Ported: No
Top Ring Included: Yes
Top Ring Thickness: 1/16 in.
Top Ring Material: Ductile iron
Top Ring Facing Material: Manganese
Second Ring Included: Yes
Second Ring Thickness: 1/16 in.
Second Ring Material: Iron
Second Ring Facing Material: Phosphate coated
Oil Ring Included: Yes
Oil Ring Thickness: 3/16 in.
Oil Ring Tension: Standard
Oil Ring Tension Rating: 21-22 lb.
Oil Ring Material: Carbon steel
Oil Ring Facing Material: Chrome
Quantity: Sold as 8 sets.
Notes: Barrel face D-wall torsional top ring, taper face D-wall reverse torsional second ring with SS50U style oil ring.