Mahle Rings GMC Pass 138 2.3L Quad 4 Eng 87-95 Moly Ring Set - 41555CP

MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE piston rings lead the industry for the latest piston ring technology.

This Part Fits:

Year	Make	Model	Submodel
1991	Buick	Skylark	Base
1988-1995	Buick	Skylark	Custom
1990-1991	Buick	Skylark	Gran Sport
1988-1989,1993-1995	Buick	Skylark	Limited
1990-1991	Buick	Skylark	Luxury Edition
1990-1993	Chevrolet	Beretta	GTZ
1990	Chevrolet	Beretta	Indianapolis 500 Pace Car
1994	Chevrolet	Beretta	Z26
1995	Chevrolet	Cavalier	LS
1995	Chevrolet	Cavalier	Z24
1992-1995	Oldsmobile	Achieva	S
1992,1994	Oldsmobile	Achieva	SC
1992-1993	Oldsmobile	Achieva	SCX
1992-1995	Oldsmobile	Achieva	SL
1987	Oldsmobile	Calais	Base
1987	Oldsmobile	Calais	GT
1988,1991	Oldsmobile	Cutlass Calais	Base
1988,1991	Oldsmobile	Cutlass Calais	GT
1988-1991	Oldsmobile	Cutlass Calais	International
1989-1991	Oldsmobile	Cutlass Calais	S
1988-1991	Oldsmobile	Cutlass Calais	SL
1990-1991	Oldsmobile	Cutlass Supreme	Base
1990	Oldsmobile	Cutlass Supreme	International
1988	Pontiac	Grand Am	Base
1992-1995	Pontiac	Grand Am	GT
1988-1991	Pontiac	Grand Am	LE
1988-1995	Pontiac	Grand Am	SE
1990-1991	Pontiac	Grand Prix	LE
1991	Pontiac	Grand Prix	SE
1995	Pontiac	Sunfire	GT
1995	Pontiac	Sunfire	SE

Please note image may vary from product, and all engine parts are special order, and subject to the special order term agreed to at checkout. 

Mahle is one of the premier engine rotating assembly manufacturers in the world and a direct supplier for many OE manufacturers.

Mahle was founded in 1920 by Hermann and Ernst Mahle in Stuttgart, Germany, initially focusing on producing pistons for internal combustion engines. The company expanded rapidly, especially after World War II, by diversifying its product range and establishing international operations. In the 1980s, Mahle acquired Clevite in the U.S., strengthening its presence in North America. Today, Mahle is a global leader in OEM engine parts, known for its innovation, sustainability efforts, and a wide range of products for both traditional and emerging automotive technologies.

Mahle produces a wide range of engine parts, including but not limited to:

• Pistons and Piston Rings: Mahle is well-known for manufacturing durable pistons and piston rings that meet OEM standards. These parts are designed to provide optimal engine performance and efficiency.
• Cylinder Heads and Gaskets: Mahle offers cylinder heads and gasket solutions that ensure tight seals, prevent leaks, and promote smooth engine operation.
• Oil and Air Filters: Mahle filters are designed to keep oil and air clean, ensuring proper lubrication and maintaining optimal air-to-fuel ratios for combustion.
• Valve Train Components: These include valves, valve guides, valve springs, and rocker arms, which are essential for controlling the flow of air and fuel into the engine.
• Bearings and Seals: Mahle manufactures high-quality bearings (main bearings, rod bearings) and seals to reduce friction, improve engine longevity, and prevent oil leakage.
• Crankshafts and Connecting Rods: Mahle’s crankshafts and connecting rods are precision-engineered to deliver smooth performance and durability.

Mahle OE parts are designed and manufactured to meet or exceed the strict standards required by car manufacturers. These components are built for high performance, longevity, and reliability in both standard and high-performance engines.

About Fidanza Performance-

​Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the Fidanza Marketplace which sells other manufacturers quality high performance parts!