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Instruction Sheets for Part Number HSN-139070
Piston Rings, Phosphate Coated, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
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Estimated Ship Date: Feb 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
139070
Part Type:
Product Line:
Summit Racing Part Number:
HSN-139070
UPC:
00075538199663
Bore (in.):
4.070 in.
Bore (mm):
103.380mm
Piston and Ring Oversize (in.):
0.070 in.
Piston and Ring Oversize (mm):
1.750mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
5/64 in.
Top Ring Material:
Iron
Top Ring Facing Material:
Phosphate coated
Second Ring Included:
Yes
Second Ring Thickness:
5/64 in.
Second Ring Material:
Iron
Second Ring Facing Material:
Phosphate coated
Oil Ring Included:
Yes
Oil Ring Thickness:
3/16 in.
Oil Ring Material:
Carbon steel
Oil Ring Facing Material:
Chrome
Quantity:
Sold as 8 sets.
Hastings Piston Ring Sets
Whether it's a car, truck, motorcycle, marine, or performance racing—properly sealing the piston to the engine block is a requirement. Hastings Piston ring sets do just that, while being offered in many different options to fit virtually any piston out there. If the engine your working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. Hasting piston ring sets are great for rebuilds or new builds. Hastings has been manufacturing piston rings since 1915 and they have not spent a second developing anything but piston rings. Trust the professionals at Hastings and use them on your next job.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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