This Exhaust Manifold (header) makes a 120° bend for routing
exhaust outside the cowling or on a radio controlled airplane.
This header is designed to fit the O.S. FS70 & FS91 Surpass series engines.
INCLUDES: One 120° chromed exhaust manifold
(Has male threaded portion on one end & female threads on the other)
One hex nut
SPECS: 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)
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Inside Exhaust Pipe Connector
Outside Diameter-0.509"(10.3mm)
Inside Diameter-0.409"(10.3mm)
Thread Depth -0.424"(10.7mm)
jct4/7/00
Click here for Units of Measure Conversion Calculators
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