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Oil Ring Expanders, 4.125 in. Bore, 3.0mm Thickness, Standard Tension, Set of 8
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Estimated Ship Date: Nov 11, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
4125-300S
Part Type:
Product Line:
Summit Racing Part Number:
MLE-4125-300S
Bore (in.):
4.125 in.
Bore (mm):
104.775mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
No
Second Ring Included:
No
Oil Ring Included:
Yes
Oil Ring Thickness:
3.0mm
Oil Ring Tension:
Standard
Quantity:
Sold as 8 sets.
Notes:
This is the oil ring expander only.
Mahle Oil Ring Expanders
Mahle Motorsports offers 3.0mm oil ring standard tension expanders in a variety of sizes. Order the set recommended for your engine piston rings.
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Some parts are not legal for use in California or other states with similar laws / regulations
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