Mahle

Mahle Motorsport File Fit Piston Ring Set 4.040 in. Bore 1.0/1.0/2.0mm

SKU: mhl4045MS-112 UPC: 4045MS-112
In stock - 1 items available
$183.28

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

This Mahle Motorsport ring set covers a 4.040 in. finished bore and is supplied file fit at 4.045 in., so the end gap can be filed to suit the cylinder and the application.

Key Features

  • Steel top ring finished with Mahle's patented HV385 supersonic thermal spray process for bonding, durability and scuff resistance, a steel Napier second ring, and a CP-20 oil ring
  • Ring pack: 1.0mm, 1.0mm, 2.0mm (top, second, oil)
  • Standard tension oil control ring
  • File fit: supplied at 4.045 in. for a 4.040 in. finished bore
  • Mahle develops its performance rings with ring simulation and computer modelling to cut friction, and finishes the ring flanks flat to seal against the piston

Product Details

  • Manufacturer Part Number: 4045MS-112
  • Brand: Mahle Motorsport
  • Finished bore: 4.040 in
  • Ring thickness: 1.0mm, 1.0mm, 2.0mm
  • Fit type: File fit (+0.005 in.)
  • Tension: Standard
  • Quantity: Complete set for an eight-cylinder engine

Shipping Height: 4.0

Shipping Length: 6.0

Shipping Width: 5.0

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