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MAHLE 50564CP.040 Perfect Circle Piston Ring Set Oversize - 040

(Ford F-150 1975-96, Mustang 1964-73, 1979, 1982-85, F-250 1972-97, Bronco 1968-96, Thunderbird 1971-74, 1977-81, 1983-85, F-350 1972-97 + 355 more models)

Part of: MAHLE Perfect Circle Piston Ring Set

Other options in this family: MAHLE 51471CP.020 MAHLE 51752CP MAHLE 41940.030 MAHLE 50139.030 MAHLE 51240CP.020

Manufacturer

Picture for manufacturer MAHLE

Part Number

50564CP.040
13 reviews
Sale Price

$44.50

Estimated ship date Monday, November 23

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Product Details

The MAHLE Perfect Circle 50564CP.040 is a premium piston ring set engineered to OEM-equivalent and performance standards for engine rebuilds requiring a .040-inch oversize bore. MAHLE Perfect Circle is one of the most trusted names in piston ring technology, manufacturing rings to precise tolerances that ensure proper sealing, oil control, and long-term engine durability.

Key Features:

  • .040-inch oversize bore sizing for engines that have been bored or honed to .040 over standard dimensions
  • Engineered to restore proper compression and minimize blow-by for improved engine performance
  • Superior oil control ring design reduces oil consumption and maintains clean combustion
  • Manufactured to tight dimensional tolerances for consistent gap spacing and seating
  • Compatible with cast iron and aluminum cylinder bores
  • Designed for direct OEM replacement during engine overhaul or rebuild
  • Part of the MAHLE Perfect Circle line — a globally recognized standard in engine sealing components

This piston ring set is ideal for professional engine builders and experienced DIY rebuilders performing a complete engine overhaul. Each set includes compression rings and oil control rings as required for a full installation. MAHLE Perfect Circle rings are manufactured under strict quality controls, making them a reliable choice for restoring engine compression and efficiency to like-new specifications.

MPN: 50564CP.040 | Brand: MAHLE Perfect Circle

Products specifications

Fits

Ford F-150 1975-96, Mustang 1964-73, 1979, 1982-85, F-250 1972-97, Bronco 1968-96, Thunderbird 1971-74, 1977-81, 1983-85, F-350 1972-97, Maverick 1971-77, Galaxie 500 1963-74, F-100 1969-83, F-250 Pickup 1972-74, Fairlane 1963-70 + 350 more models

Piston Ring Size

.040IN

Piston Ring Type

Standard

Great prices.

I expect everything to be ok. Hopefully, this will be a wonderful shopping experience.

great

had just what I needed.Easy check out.

Easy to follow web page

Great

I did receive the parts I ordered in a timely manner. I was not given a confirmation number so I didn't know when to expect my delivery other then that my experience was good.

Very Quick and easy to place an order, let's see how fast it arrives!

Your site is kind of a pain to navigate, every thing else was good

Don't know yet. You haven't a chance to mess any thing up yet.

fast simple easy

Easy and had the best price.

Love the site. Bought my wheels here, and now all of my rear end gears, etc. Best prices out there!

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