Mahle Performance Piston Ring Set - File-Fit - Bore: 4.165" - Top Ring: 1.5mm - Second Ring: 1.5mm - Oil Ring: 3.0mm

Every MAHLE Motorsports piston is backed by 90-plus years of racing heritage and technology. From the invention of the first aluminum piston to the most advanced design and machining processes being used today, MAHLE delivers unmatched performance and durability. MAHLE's light-weight, low-drag, design specific forgings are machined with close attention given to ring groove quality, tolerances and consistency. All MAHLE Motorsports pistons are dual or triple coated, adding protection and maintaining consistent performance over the life of the engine. There is no secret why top professional race teams use MAHLE Motorsports pistons.; Every MAHLE Motorsports piston is backed by 90-plus years of racing heritage and technology. From the invention of the first aluminum piston to the most advanced design and machining processes being used today, MAHLE delivers unmatched performance and durability. MAHLE's light-weight, low-drag, design specific forgings are machined with close attention given to ring groove quality, tolerances and consistency. All MAHLE Motorsports pistons are dual or triple coated, adding protection and maintaining consistent performance over the life of the engine. There is no secret why top professional race teams use MAHLE Motorsports pistons.

MAHLE Motorsports North America established in 2000 has positioned itself as a leading supplier of forged racing pistons and rings. Widely recognized as the technology leader amongst race teams in most every top race series in North America and abroad, winning races and championships around the world, MAHLE Motorsports North America brings cutting edge technology to sportsman and professional racers alike with the flexibility and foresight to meet a wide range of customer needs which has the discerning racer relying on MAHLE to get them to the winner's circle.