MAHLE 40805 Moly Piston Ring Set for GM 305 Engines

The MAHLE 40805 Engine Piston Ring Set is a precision-engineered replacement ring set designed for classic GM truck engines. This complete piston ring set is specifically manufactured for Chevrolet truck 305C engines from 1973-1975 and GMC 305ABCD engines from 1960-1975, delivering OE-quality performance and durability.

Key Features:

• Molybdenum-faced compression rings for enhanced wear resistance and reduced friction
• Advanced ring technology that minimizes engine oil consumption
• Precision-ground ring surfaces for optimal cylinder wall sealing
• Reduced ring mass design for improved performance and longevity
• Complete set for all cylinders in standard bore applications

MAHLE Original piston rings are engineered to meet stringent OE specifications, incorporating advanced materials and manufacturing processes developed through decades of motorsports and automotive industry experience. The molybdenum coating on compression rings provides superior scuff resistance during break-in and extends service life under demanding operating conditions.

This ring set is ideal for engine rebuilds, restorations, or performance upgrades on vintage GM light trucks. MAHLE's precision manufacturing ensures proper ring tension, gap specifications, and conformability to cylinder walls for optimal compression sealing and oil control.