JE Pistons JG31F8-4070-0 Premium Race Series Piston Ring Set, 8 Cyl. 4.070 in. Bore, 1.2 x 1.5 x 3.0 mm Thick, Steel, Nitride, File Fit
Premium Race Series ring sets combine plasma-moly inlaid ductile iron top rings with taper faced reverse torsional second rings and low tension oil rings. All sets listed are file fit installation.
- Bore (in.):
- 4.070 in.
- Bore (mm):
- 103.378mm
- Top Ring Included:
- Yes
- Top Ring Thickness:
- 1.200mm
- Top Ring Material:
- Steel
- Top Ring Facing Material:
- Nitride
- Second Ring Included:
- Yes
- Second Ring Thickness:
- 1.500mm
- Second Ring Material:
- Ductile iron
- Second Ring Facing Material:
- Phosphate
- Oil Ring Included:
- Yes
- Oil Ring Thickness:
- 3.000mm
- Oil Ring Material:
- Steel
- Oil Ring Facing Material:
- Chrome
- Oil Ring Tension:
- Standard
- Oil Ring Tension Rating (lb.):
- N/A
- Gapless:
- No
- Gas Ported:
- No
- File Fit:
- No
- Quantity:
- Sold as a set of 8.
- Notes:
- Barrel face back cut torsional top ring, napier back cut neutral second ring with full seal flex vent-style oil ring
