Evo compliance fitting set, front & rear - 84-89 B.T. Evo (NU) 508456 System includes OEM looking black

System includes OEM looking black handlebar mounted control for easy "on-the-go" adjustability

as well as most aftermarket accessories

Seals welds and porous metals

25° reverse-offset head

Evo compliance fitting set, front & rear - 84-89 B.T. Evo (NU) 508456 System includes OEM looking blackOEM style replacement rubber compliance fittings as used on the early stock intake of 84 89 Evolution Big Twin models. Includes one front & one rear fitting. Used on the stock intake of 84 89 Evolution Big Twin models that are not converted to the later model manifold. OEM replacement reference 27008 83A front & 27012 83A rear fitting. Note: When the fittings show signs of cracking the engine may may start to run lean. In time replacement is advised.