Offenhauser Dual Port Intake Manifolds

4.44 out of 5 stars 45 Customer Reviews

Offenhauser Dual Port intake manifolds feature completely separate runner systems for the primaries and secondaries for more power across the rpm range. At low-load

Offenhauser Dual Port intake manifolds feature completely separate runner systems for the primaries and secondaries for more power across the rpm range. At low-load, the primaries feed the air/fuel charge through the smaller bottom passages at near sonic speed, improving power and efficiency. When the secondaries open, their charge goes through the bigger, cooler upper passages. Then, in turn, it is rammed into the cylinders when it encounters the high-velocity mix from the primaries. The results are better fuel economy and a 15-30 percent power increase across the entire rpm range. These manifolds are available in a

Results 1 - 23 of 23

Offenhauser Dual Port Intake Manifolds 6257-DP

Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, AMC, 258, L6, Each

Part Number: OFY-6257DP

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Offenhauser Dual Port Intake Manifolds 6019-DP

Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, Ford, 240, 300, L6, Each

Part Number: OFY-6019DP

4.24 out of 5 stars ( 21 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Offenhauser Dual Port Intake Manifolds 6035-DP

Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, Oldsmobile, Jeep, Buick, 225, 231, V6, Each

Part Number: OFY-6035DP

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Offenhauser Dual Port Intake Manifolds 6057-DP

Intake Manifold, Dual Port, Aluminum, Natural, Spread Bore, AMC, 304/360/390/401, Each

Part Number: OFY-6057DP

Not Yet Reviewed

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Offenhauser Dual Port Intake Manifolds 7001-DP

Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, Land Rover, 3.5L, V8, Each

Part Number: OFY-7001DP

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Offenhauser Dual Port Intake Manifolds 6110-DP

Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, Ford, 351C, 2V, Each

Part Number: OFY-6110DP

Not Yet Reviewed

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Edelbrock Performer Intake Manifolds 2750

4.75 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/27/2025

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Offenhauser Dual Port Intake Manifolds 6053-DP

Intake Manifold, Aluminum, Natural, Dual Port, Ford, Mazda, L4, 1.8L, 1800cc, Truck, Each

Part Number: OFY-6053DP

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today