MAHLE 41106CP.030 Premium Engine Piston Ring Set Oversize - 0.030

The MAHLE 41106CP.030 is a premium engine piston ring set manufactured to original equipment standards, sized at +0.030" oversize for use in engines that have been bored or honed 0.030" beyond standard. As a global OE supplier, MAHLE engineers these rings to meet or exceed the specifications of the original factory components they replace.

Key Features:

• Pre-lapped finish — rings seat immediately, virtually eliminating extended break-in time
• Plasma-moly top ring — carbon steel upper compression ring (UCR) with plasma-moly facing for reduced friction, superior scuff resistance, and long service life
• Barrel-faced compression ring contact area — promotes more efficient compression sealing and is paired with a CNC-controlled gap chamfer to minimize blow-by
• Reverse-twist lower compression ring (LCR) — designed for better groove side sealing, with taper-face machining to enhance cylinder wall contact
• CP-20 oil control ring assembly — features an exclusive 20-degree ear angle for optimal side sealing against the cylinder wall; stainless steel rails with chrome facing; special chemical polish on the expander promotes enhanced oil drain-back
• Optimized ring tension — materials, coatings, and tension levels are application-engineered to reduce friction and minimize oil consumption
• OE-quality materials — carbon steel compression rings and stainless steel oil control ring for durability and corrosion resistance

MAHLE Original piston ring sets are the choice of professional engine builders worldwide. The 41106CP.030 delivers reliable compression sealing, effective oil control, and reduced friction — all critical to restoring proper engine performance and longevity during a rebuild.