O.S. Exhaust Header .21 RZ OSM72101270
OSM72101270 O.S. Exhaust Header .21 RZ

O.S. Exhaust Header .21 RZ OSM72101270

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O.S. 180 degree header for the 21 RZ engine is constructed of aluminum and has a matte silver finish. 180 degree header. This product includes one header and two manifold springs.


Exhaust coupler

Length: 77.3mm (3.046")
Width of flange:
25.7mm (1.012")
Inner Engine Mount Diameter:
19.0mm (.752")
Inner Muffler Mount Diameter:
13.2mm (.521")
Spring Length:
102mm (4.015")

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