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MAHLE 41104CP.030 Perfect Circle Premium Piston Ring Set Over - 030

(1979, 2005-2010 Ford Mustang; 1983-1985 Ford Ranger; 1974-1978 Ford Mustang II; 1984-1985 Ford Bronco II; 1975-1979 Ford Pinto + 3 more models)

Manufacturer

Picture for manufacturer MAHLE

Part Number

41104CP.030
21 reviews
Sale Price

$43.12

Estimated ship date Saturday, November 21

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Product Details

The MAHLE Perfect Circle 41104CP.030 is a premium piston ring set engineered for engine rebuilds requiring a +0.030" overbore. MAHLE Perfect Circle is one of the most trusted names in OEM and replacement piston ring technology, supplying rings to major automakers and professional engine builders worldwide.

These rings are precision-manufactured to exacting tolerances to restore proper cylinder sealing, compression, and oil control — critical factors in returning an engine to peak performance after a rebuild or overhaul.

Key Features:

  • Oversize designation: +0.030" over standard bore for use with bored or worn cylinders
  • Premium MAHLE Perfect Circle construction for OEM-grade fit and performance
  • Designed to restore compression, reduce blow-by, and control oil consumption
  • Precision gap sizing and ring face geometry for optimal seating and seal
  • Manufactured to meet or exceed original equipment specifications
  • Compatible with standard rebuilding procedures including honing and torque-to-yield installations

MAHLE Perfect Circle piston rings are a benchmark choice for professional engine builders and automotive machinists. The 41104CP base part number ensures compatibility with the correct application, and the .030 oversize suffix makes this set appropriate for cylinders that have been bored 0.030" over the factory standard diameter.

Products specifications

Fits

1979, 2005-2010 Ford Mustang; 1983-1985 Ford Ranger; 1974-1978 Ford Mustang II; 1984-1985 Ford Bronco II; 1975-1979 Ford Pinto; 1986 Ford Aerostar; 1974-1977, 1979 Mercury Capri; 1975-1979 Mercury Bobcat

Piston Ring Size

.030IN

Piston Ring Type

Premium

Top Ring Material

Cast iron

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