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MAHLE 4065MS-15 Piston Ring Set Bore File Fit - 4.060 1.5mm 1.5mm 3.0mm

Part of: MAHLE Piston Ring Set Bore File Fit

Other options in this family: MAHLE 4005MS-15 MAHLE 4035MS-15 MAHLE 4065MS MAHLE 3910MS-15 MAHLE 4505MS

Manufacturer

Picture for manufacturer MAHLE

Part Number

4065MS-15
12 reviews
Sale Price

$132.56

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The MAHLE 4065MS-15 is a high-performance piston ring set designed for 4.060" bore engines with a +.005" oversize tolerance. This file-fit ring set features a 1.5mm top ring, 1.5mm second ring, and 3.0mm oil ring configuration with standard tension for optimal sealing and performance.

Key Features:

  • 4.060" bore diameter with +.005" oversize tolerance
  • File-fit design allows custom end gap adjustment for precise fitment
  • Top ring: Ductile iron with plasma moly coating and barrel face profile for superior wear resistance
  • Second ring: Cast iron reverse twist design enhances oil control and sealing
  • Oil ring: 3-piece standard tension construction for reliable lubrication management
  • Ultra-flat ring flanks maximize ring-to-piston groove sealing
  • Engineered using advanced piston ring simulation to minimize friction and unlock free horsepower

MAHLE piston rings are precision-manufactured using computer development tools and extensive testing to deliver measurable performance gains. The plasma moly top ring coating provides exceptional durability under high heat and pressure, while the reverse twist second ring design ensures proper oil management. Ideal for performance rebuilds, race applications, and demanding street use where reliability and power matter.

Products specifications

Bore (in)

4.060 in.

Bore (mm)

103.124mm

File Fit

Yes

Gapless

No

Oil Ring Included

Yes

Oil Ring Material

Stainless steel

Oil Ring Tension

Standard

Oil Ring Thickness

3.0mm

Quantity

Sold as a set.

Second Ring Facing Material

Cast iron

Second Ring Included

Yes

Second Ring Material

Cast iron

Second Ring Thickness

1.5mm

Top Ring Facing Material

Plasma-moly

Top Ring Included

Yes

Top Ring Material

Ductile iron

Top Ring Thickness

1.5mm

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Piston Ring Thickness

1.5mm, 1.5mm, 3.0mm

Found your company via internet search. Product looks good in the picture, wait to see product for review upgrade.

Great prices and products I need. Hope it ships fast.

Great website

The website is easy to use, images are clear, gave me confidence the part will be correct.

You guys are great. I ordered and got wait I ask for. Thanks guys.

Great Prices, Easy to Use.

I found my part easily (vent visors), checkout was simple, and I was notified the very next day that my item has been sent. The price (including shipping) was way lower than anywhere else online or in town.

Super Fast! Website was easy to user, multiple different payment options (Amazon, Paypal, Credit Card) Got a notification of shipment within 1 hour!

Great service, awesome prices, incredibly fast shipping. A++ I would absolutely suggest you to my friends and family

quick response and unbelievably CHEAP prices.

Ordered a set of 5 steel wheels, distributor messed up and only sent me 4. 5th wheel is taking a good couple weeks to arrive due to the distributor messing up the shipment. Autoplicity did make things right and I can honestly say now I would recommend them.

Very pleased with Autoplicity's fast and efficient service. The part I ordered fit and looked great. Will definitely consider Autoplicity for future orders. Thanks.

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