XL883 Convers. 7mm Valve guide IN Std.

These thin stem valves and valve guides reduce mass, resulting in a easier revving engine. The valves are Precision Machining's famous Black Diamond that feature a stem measuring only 7mm in diameter. Matching valve guides are supplied with stem seals. Parts are sold individually, so order two inlet and two exhaust valves, two inlet and two exhaust valve guides and the lightweight racing valve spring kit to have a complete set-up for your 883 Evolution Sportster.