Converts three bolt pattern exhaust manifold on R60F series engines to 2 bolt OS size muffler pattern
Adapter mounts directly to the R60F, R75F, R91F and C60F Novarossi engines with 3 bolts. Adapter has two bolt holes with 1 5/8" spacing designed to accept standard .60 sized mufflers from multiple manufacturers. - This adapter allows the use of standard over the counter mufflers designed for most 60 class engines with 1 5/8" bolt spacing. This adapter replaces the round adapter with O ring that is standard on many NovaRossi engines and used for mounting tuned pipe manifolds to the engine.