My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

MAHLE 40203CP-040 Precision-Ground Performance Piston Ring Set

(Chevrolet Camaro 1969, Corvette 1966-74, Impala 1963, 1966-76, Malibu 1973-75, C1500 1990, Chevelle 1970-73, Blazer 1973-74 + 155 more models)

Part of: MAHLE Precision-Ground Performance Piston Ring Set

Other options in this family: MAHLE 41768 MAHLE 40203CP-030 MAHLE 41137CP MAHLE 41850CP-020 MAHLE 41858CP-020

Manufacturer

Picture for manufacturer MAHLE

Part Number

40203CP-040
13 reviews
Sale Price

$112.36

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MAHLE 40203CP-040 Precision-Ground Performance Piston Ring Set delivers race-proven durability and precision fitment for high-performance engine builds. Engineered by MAHLE, a leading OEM supplier to automotive manufacturers worldwide, these piston rings feature precision-ground surfaces that ensure optimal sealing, reduced friction, and consistent performance under demanding conditions.

Key Features:

  • Precision-ground ring surfaces for superior cylinder sealing and consistent ring tension
  • Advanced material composition engineered for high-temperature and high-RPM applications
  • Optimized ring design reduces friction losses while maximizing combustion pressure retention
  • Manufactured to strict OEM tolerances for reliable fitment and long-term durability
  • Compatible with performance pistons in street, strip, and racing applications

MAHLE piston rings undergo rigorous quality control testing to ensure each set meets exacting standards for ring gap, tension, and surface finish. Whether you're rebuilding a street engine or assembling a competition powerplant, MAHLE 40203CP-040 piston rings provide the precision and reliability professionals demand.

Products specifications

Fits

Chevrolet Camaro 1969, Corvette 1966-74, Impala 1963, 1966-76, Malibu 1973-75, C1500 1990, Chevelle 1970-73, Blazer 1973-74, C10 Pickup 1973-74, Caprice 1966-76, Traverse 2009-17, C10 1975-80, El Camino 1970-75, Monte Carlo 1970-75 + 149 more models

Bore (in)

4.290 in.

Bore (mm)

108.966mm

File Fit

No

Gapless

No

Notes

Taper face reverse twist design second ring.

Oil Ring Included

Yes

Oil Ring Material

Stainless steel

Oil Ring Tension

Standard

Oil Ring Thickness

3/16 in.

Quantity

Sold as a set.

Second Ring Facing Material

Cast iron

Second Ring Included

Yes

Second Ring Material

Cast iron

Second Ring Thickness

5/64 in.

Top Ring Facing Material

Moly

Top Ring Included

Yes

Top Ring Material

Cast iron

Top Ring Thickness

5/64 in.

Piston Ring Size

.040IN

Piston Ring Type

Premium

Easy

It was nice that they let me know there was a problem with my order

Excellent pricing

It's the bee's knees.

Great shopping experience.

Overall good transaction had to go through PayPal to make the purchase, wasn't allowing me to use card info.

easy to find items and check out. So far so good

Sorting through part numbers is a bit of a pain - better organization would be great.

quick easy checkout and the cheapest shipping by far

ALL GOOD

fast process so far

Great price on the gas jugs

Fast and easy

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy