Hastings 2M139 Pinston Ring Set, 8 Cyl. 4.000 in. Bore, Drop In, 5/64 x 5/64 x 3/16 in. Thick, Steel, Plasma Moly
Hastings racing piston rings deliver race-winning performance in even the most extreme conditions. The low tension, low-friction design provides unsurpassed combustion seating and exceptional sealing. Sets with low tension oil rings, which offer significant increases in horsepower, are for racing only, and are not recommended for nitrous or supercharged applications. Choose from standard or File Fit ring sets in "2M", "SM" or "SN" series. Please refer to the Piston Ring Part No. Prefix Guide for desired ring selection on the following page.
- Bore (in.):
- 4.000 in.
- Bore (mm):
- 101.600mm
- Top Ring Included:
- Yes
- Top Ring Thickness:
- 5/64 in.
- Top Ring Material:
- Ductile Iron
- Top Ring Facing Material:
- Plasma Moly
- Second Ring Included:
- Yes
- Second Ring Thickness:
- 5/64 in.
- Second Ring Material:
- Iron
- Second Ring Facing Material:
- Phosphate
- Oil Ring Included:
- Yes
- Oil Ring Thickness:
- 3/16 in.
- Oil Ring Material:
- N/A
- Oil Ring Facing Material:
- N/A
- 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.
