Hastings - Piston Ring Set 3.900 1.2 1.2 3.0mm

The Hastings Piston Ring Set 3.900 1.2 1.2 3.0mm is engineered for high-performance applications, featuring a 3.898-inch bore and a file fit design for precise customization. This set includes 1.2mm top and second rings, and a 3.0mm oil ring, all crafted from premium ductile iron and stainless steel materials. The gas nitride treatment enhances durability and wear resistance, while the standard tension ensures optimal engine performance. Designed for 8-cylinder engines, this kit is ideal for racing and high-performance automotive applications.