RIVA Performance Valve Lifter Buckets are a “must have” item when upgrading your engine’s valve train. Designed to withstand the stress of increased valve spring tension and RPM in modified engines that can cause stock components to fail. Our lightweight valve lifter buckets are CNC machined from heat treated billet steel providing superior strength and durability. Order one kit per engine.

Fits Yamaha 1.8L & 1.9L engines.