O.S. Engines Exhaust Manifold Outside FS-70/91 OSM72109600
OSM72109600 O.S. Exhaust Manifold Outside FS-70/FS-91

O.S. Engines Exhaust Manifold Outside FS-70/91 OSM72109600

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O.S. exhaust manifold, header, is designed to fit the O.S. FS70 & FS91 Surpass series engines. This product includes one 120ยบ chromed exhaust manifold. (Has male threaded portion on one end & female threads on the other). One hex nut.


Requires:

Male end

Male End
Thread Pitch:
0.75mm
Outside Diameter:
0.425"(10.8mm)
Inside  Diameter:
0.320"(8.1mm )

Female End (exhaust connection)
Thread Pitch:
0.75mm
Outside Diameter:
0.509"(12.9mm)
Inside Diameter:
0.408"(10.3mm)

Inside Exhaust Pipe Connector
Outside Diameter:
0.509"(10.3mm)
Inside  Diameter:
0.409"(10.3mm)
Thread Depth:
0.424"(10.7mm)

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