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MAHLE 4315MS-15 Performance Piston Ring Set 4.310" Bore File Fit Plasma Moly

Manufacturer

Part Number

4315MS-15
Sale Price

$146.64

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MAHLE 4315MS-15 is a high-performance piston ring set engineered for serious engine builders and motorsports applications. This file-fit ring set is designed for a 4.310-inch bore and features a metric 1.5mm x 1.5mm x 3.0mm ring configuration, providing optimal sealing and reduced friction for maximum power output.

Key Features:

  • 4.310-inch bore with .005-inch file fit tolerance for precise end gap adjustment
  • Metric ring widths: 1.5mm top ring, 1.5mm second ring, 3.0mm oil ring assembly
  • Premium plasma moly ductile iron top ring with barrel face profile for superior wear resistance and sealing
  • Cast iron reverse twist second ring provides excellent oil control and combustion gas management
  • Standard tension 3-piece oil ring assembly with chrome-plated rails
  • Ultra-flat ring flanks maximize ring-to-piston sealing for improved compression
  • 8-cylinder complete kit (rings for all 8 pistons)

MAHLE Motor Sport pioneered the use of computer simulation and development tools to create rings that minimize friction and unlock free horsepower. This performance series ring set delivers measurable power gains on the dyno and proven durability on the track, making it a top choice for professional engine builders worldwide.

Products specifications

Bore (in)

4.310 in.

Bore (mm)

109.470mm

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

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