Header Reducers

Header Reducer, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: HED-21126

3.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-52-5O2

Not Yet Reviewed

Estimated Ship Date: Jun 26, 2026 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA2-52O2

Not Yet Reviewed

Estimated Ship Date: Jun 26, 2026 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA32-25O2

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53-5O2

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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• Special Order