The Enginetech M37458-030 Engine Premium Piston Ring Complete Set is designed to deliver reliable performance and durability for a variety of engine rebuilds. Crafted by Enginetech, a family-owned company since 1982, this set offers high-quality components that meet strict SAE guidelines for consistent end gaps and optimal engine operation. Ideal for both import and domestic engines, these piston rings ensure a proper seal and efficient compression, helping your engine run smoothly and efficiently. The set includes top and second compression rings, each with a thickness of 5/64 inches, and a 3/16-inch oil ring to effectively control oil consumption and prevent blow-by. The rings feature an outside diameter of 3.736 inches, making them compatible with a range of engine models. Engine builders and DIY enthusiasts trust Enginetech for their commitment to quality and customer service, ensuring every part is engineered specifically for engine rebuilding applications. Whether you're restoring a classic or maintaining a modern engine, this piston ring set provides the precision and durability needed for a successful rebuild.Features:Consistent end gaps following SAE guidelines for reliable sealingTop and second compression rings: 5/64 inch thickness for optimal compressionOil ring: 3/16 inch thickness to ensure proper oil controlRing outside diameter: 3.736 inches for compatibility with various engine modelsEngineered by Enginetech for precise fit and durabilitytable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Features: Top Compression Ring Thickness: 5/64 in Second Compression Ring Thickness: 5/64 in Oil Ring Thickness: 3/16 in Ring Outside Diameter: 3.736 Aaiaid Part Number: BBPTM37458-030 Part Number: M37458-030 Brand Aaia: BBPT