Product Summary

4.000" Piston Ring Diameter, Steel Top Ring Material

  • Discontinued
  • Item is new and in unused condition. This product will no longer be stocked by Speedway Motors
  • Choose Bore (inch): 4.000, 4.030, 4.035, or 4.065
  • Top Ring 1.0MM
  • 2nd Ring 1.0MM
  • Oil Ring 2.0MM
  • File Fit Rings
See more details

Key Specs

MFG. Part #4005MS-112
BrandMAHLE
Garage Sale TypeDiscontinued
Piston Ring Diameter4.000"
See more specs

Need To Know

Ineligible for Return

Contains items that cannot be returned

MAHLE 4005MS-112 Details

Garage Sale Product

This is Garage Sale priced because it is a discontinued part that we are not stocking anymore.

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

Mahle new 1MM-1MM-2MM ring packs includes a steel top ring with their patented HV385 supersonic thermal spray process applied to the top ring for increased durability and increased scuff resistance. A steel Napier second ring and industry leading CP-20 oil ring make for a far superior product above the rest!

Choose Bore (inch): 4.000, 4.030, 4.035, 4.065, 4.070, 4.075, or 4.080

  • Top Ring 1.0MM
  • 2nd Ring 1.0MM
  • Oil Ring 2.0MM
  • File Fit Rings

How to select ring size:

  • -005 = 4.000" bore + .005"
  • -035 = 4.030" bore + .005"
  • -045 = 4.035" bore + .005"
  • -065 = 4.065" bore + .005"
  • -075 = 4.070" bore + .005"
  • -080 = 4.075" bore + .005"
  • -085 = 4.080" bore + .005"

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

MAHLE 4005MS-112 Specifications

KEY SPECS
MFG. Part #4005MS-112
BrandMAHLE
Garage Sale TypeDiscontinued
Piston Ring Diameter4.000"
GENERAL
Piston Ring DesignConventional
Top Ring MaterialSteel
Top Ring Thickness1.0 mm
Second Ring MaterialSteel
Second Ring Thickness1.0 mm
Oil Ring MaterialStainless Steel
Oil Ring Thickness2.0 mm
Oil Ring TensionStandard Tension
Sold in QuantitySet

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