Piston Ring Set 99.00mm Bore 1.5 1.5 3.0mm

The Piston Ring Set 99.00mm Bore 1.5 1.5 3.0mm by HASTINGS (MPN 2M4897) is a precision-engineered ring set designed for engines requiring exact bore specifications and strict compression ratios. This three-piece ring package—featuring 1.5mm top ring, 1.5mm second ring, and 3.0mm oil control ring dimensions—is essential for rebuilding or refreshing four-stroke engines where factory specifications demand tight tolerances.

Engineered to precise 99.00mm bore dimensions, each ring in this set is manufactured to exacting standards that ensure proper fit, minimal blow-by, and optimal oil control throughout the engine's operating range. The tiered ring design—combining thinner compression rings with a thicker oil control ring—works together to seal combustion pressure, minimize friction, and regulate oil film thickness on cylinder walls. HASTINGS rings are hardened and finished to resist scuffing and wear, maintaining their sealing integrity through thousands of heat cycles and load variations.

This piston ring set is particularly beneficial for professional mechanics and serious enthusiasts performing complete engine overhauls or replacing worn compression rings. It is designed to meet OEM-quality performance standards, making it suitable for various mid-displacement automotive applications. Ensure your engine operates at peak efficiency with this reliable HASTINGS ring set.