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

Tower Stock# LXCB00  •  Manufacturer Stock# 72109600
O.S. Exhaust Manifold Outside FS-70/FS-91 (large view)
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2 for $53.46
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3 for $79.77
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5 for $132.25
Regularly Purchased Together
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.

Notes from our tech department:
This Exhaust Manifold (header) makes a 120 bend for routing
exhaust outside the cowling or fuselage on a radio controlled airplane.

This header is designed to fit the O.S. FS70 & FS91 Surpass series engines.


One 120 chromed exhaust manifold
(Has male threaded portion on one end & female threads on the other)
One hex nut


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)


Parts Compatibility
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