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BEP HX35 bolt on housing?


15+ Year Contributor
Dec 20, 2006
San Jose, California
Can anyone tell if this is a holset hx35 or hx40 bolt on housing?

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10+ Year Contributor
Jun 10, 2010
San Jose, California
Bullseye Power HX40 DSM Turbine Housing
Bullseye Power HX35 DSM Turbine Housing
would they both fit in it? these two look identical but they say ones for a 40 and the other for a 35...????

but this one says you have to choose so maybe its not all the same

or you can measure the bep housing...
The HX35 has two rings in a shape of a step. It measures

Outer ring 81.88 mm
Inner ring 80.94 mm

The BEP has the same step shape. It measures

Outer ring 80.56mm
Inner ring 74.86 mm
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