MAHLE 42240CP.010 Piston Ring Set 0.010" Oversize for Toyota 4.7L V8 2UZ-FE

The MAHLE 42240CP.010 is a precision-engineered piston ring set designed specifically for Toyota's 4.7L V8 2UZ-FE engine with a 0.010 inch overbore. This complete ring set delivers OE-quality performance for engine rebuilds in Toyota Tundra, Sequoia, 4Runner, and Lexus GX470 and LX470 models from 1998-2009.

Advanced Ring Technology:

• Upper compression ring features gas nitride/PVD coating on stainless steel for superior wear resistance and reduced friction
• Second compression ring uses chrome-faced carbon steel with 1.2mm axial height for optimal sealing
• Oil control ring assembly features chrome-faced stainless steel with 2.0mm height and shallow groove design
• Pre-lapped ring surfaces seat immediately, virtually eliminating break-in time
• Optimized ring tension reduces friction while maximizing cylinder wall sealing

Ring Specifications:

• Ring Type: UCR: RF-12NGDV / LCR: TCG-13UF / OCR: CP-20
• Size: 0.010 inch oversize for rebored cylinders
• Material Grade: Standard performance construction
• Designed to reduce oil consumption and extend engine service life

MAHLE's computer-aided ring development minimizes friction to unlock "free" horsepower while their ultra-flat ring flanks and precision finish maximize ring-to-piston groove sealing. Each ring set meets strict OE requirements for quality and durability, making MAHLE the preferred choice of professional engine builders worldwide.