RS-DM306-3935 Performance 3.935 in. Ductile Iron Moly 6-Cyl. Ring Set [1.5, 1.5, 4 mm]
InfoVehicle Info Needed
DSS RACINGPART NUMBER: 915-RS-DM3063935

RS-DM306-3935 Performance 3.935 in. Ductile Iron Moly 6-Cyl. Ring Set [1.5, 1.5, 4 mm]

$18295
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

Items You Need

66765 Electric Piston Ring Filer, Electronic Rechargeable Model

PROFORM

66765 Electric Piston Ring Filer, Electronic Rechargeable Model

Part Number : 778-66765
$32400$359.99
You Save$35.99
Piston Ring Filer & Grinder Tool 170/140 Grit

JEGS

Piston Ring Filer & Grinder Tool 170/140 Grit

Part Number : 555-80514
$4199$46.99
You Save$5.00
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)

JEGS

Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)

Part Number : 555-80502
$1777$20.99
You Save$3.22
Piston Ring Pliers Installs and Removes Rings without Breakage

JEGS

Piston Ring Pliers Installs and Removes Rings without Breakage

Part Number : 555-80845
$647$6.99
You Save$0.52

DM306 Series
    Performance Ductile Moly Ring Set
  • 3.915 in. Bore
  • Naturally Aspirated, Mild Power Adder, Street/Strip Applications
  • Ductile Iron  1.5 mm Moly-Faced Top Ring
  • Cast Iron 1.5 mm 2nd Ring
  • Standard Tension 4 mm Oil Rings
  • 6-Cylinder Set

    This DSS Racing RS-DM306-3935 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 Width1.5 mm
2nd Ring Width1.5 mm
2nd Ring MaterialCast Iron
Gas PortedNo
File FitYes
Top Ring MaterialDuctile Iron, Moly Faced
Part FitmentSemi Universal
Oil Ring Width4.0 mm
Oil Ring TensionStandard
Vendor Part NumberRS-DM306-3935
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning