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![RS-DM400-4180 Performance 4.180 in. Ductile Iron Moly Ring Set [1/16, 1/16, 3/16 in.]](https://www.jegs.com/images/mini_750/900/915/915-rs-dm4004180.jpg)
Vehicle Info NeededDSS RACINGPART NUMBER: 915-RS-DM4004180
RS-DM400-4180 Performance 4.180 in. Ductile Iron Moly Ring Set [1/16, 1/16, 3/16 in.]
$18295
Ships on 11/17/2026
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DM400 Series
- Performance Ductile Moly Ring Set
- 4.180 in. Bore
- Naturally Aspirated, Mild Power Adder, Street/Strip Applications
- Ductile Iron 1/16 in. Moly-Faced Top Ring
- Cast Iron 1/16 in. 2nd Ring
- Standard Tension 3/16 in. Oil Rings
- 8-Cylinder Set
This DSS Racing RS-DM400-4180 Performance Ductile Moly Ring Set is designed to meet the rigorous demands of performance enthusiasts and racers. With a focus on precision engineering and durability, they are trusted by racing teams, engine builders, and automotive professionals worldwide.
Rings for Street Machines
DSS Racing DM-Ductile Moly Ring Sets are for moderate to high-performance engines and will handle mild boost or nitrous.
Part TypePiston Ring
Product LineDSS Racing DM-Ductile Moly Ring Sets
BrandDSS RACING
Package Height2.0
Package Width4.0
Package Length8.5
Weight1.5 PG
Part CategoryPerformance Parts
Oil Ring MaterialStainless
GaplessNo
Top Ring Width1/16 in.
2nd Ring Width1/16 in.
2nd Ring MaterialCast Iron
Gas PortedNo
File FitYes
Top Ring MaterialDuctile Iron, Moly Faced
Part FitmentSemi Universal
Oil Ring Width3/16 in.
Oil Ring TensionStandard
Vendor Part NumberRS-DM400-4180
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
