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 essential. This piston set is designed for automotive technicians and engine rebuilders who demand OEM-grade quality in critical systems. Whether you're rebuilding an engine or maintaining equipment in demanding conditions, this piston assembly delivers the precision tolerances required for consistent operation.

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, which are 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.

This piston set is ideal for engine rebuilders 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, ensuring that technicians can efficiently manage engine repairs.