CS Piston Set 4.085 Bore .043 .043 3.0mm

The CS Piston Set 4.085 Bore .043 .043 3.0mm is a precision engine component engineered for high-performance applications where reliability and durability are non-negotiable. This piston set is designed for operators and technicians who demand OEM-grade quality in critical systems. Whether you're rebuilding a tactical platform engine or maintaining equipment in demanding field conditions, this piston assembly delivers the precision tolerances required for consistent operation under stress.

Built to exacting specifications, the CS Piston Set features a 4.085-inch bore diameter with matched ring grooves (.043 inches each on the first and second rings) and a 3.0mm pin diameter for secure wrist pin retention. These tight tolerances ensure minimal blow-by and optimal compression integrity, critical factors for maintaining horsepower and fuel efficiency in modern engines. The precision-engineered design reduces friction and wear, extending service intervals and improving overall system longevity in vehicles subjected to intensive use or extreme operating conditions.

This piston set is ideal for engine rebuilders, military vehicle maintenance crews, and law enforcement technicians who require dependable components for high-mileage or high-stress powertrains. Installation requires proper honing to specification and careful assembly with matching connecting rods and rings for optimal performance. The compact shipping weight of 0.68 lbs makes field replacement feasible, and the standard bore size ensures compatibility with most late-model tactical and civilian vehicle platforms that use this bore specification.