Evo compliance fitting set, front & rear - 84-89 B.T. Evo (NU) Bolts usa sizes a list is furnished to

a list is furnished to allow you to stock the products that you require

on bearing diameter is 1

The BDL solution in primary chain drive technology

Hidden breathers are O-ringed at the heads and exit out the mouth of the injector/carb to provide efficient engine breathing

Evo compliance fitting set, front & rear - 84-89 B.T. Evo (NU) Bolts usa sizes a list is furnished toOEM 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.