Chevy BBC 454 Oval Port MidRise Air Intake Manifold [Black]

Description

Chevy BBC 454 Oval Port MidRise Air Intake Manifold [Black]
1-147-021
Brand:
Speedmaster
Part Number:
1-147-021
Part Type:
Intake Manifolds, Carbureted
Product Line:
MidRise Air
Engine Block Style:
Stock/OEM standard deck
Carburetor Quantity:
One
Carburetor Mounting Pattern:
Square Bore
Intake Style:
Single plane with divider
Basic Operating RPM Range:
1,500-6,500
Intake Manifold Height:
4.650 in.
Intake Material:
Aluminum
Intake Finish:
Satin
EGR:
No
Quantity:
Sold individually.
Notes:
Check hood clearance before installing. Will not fit stock Corvette hoods. Not for tall deck applications.
Calculator:
CFM Calculator
The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise. The main difference is that there is an open area under the plenum chamber. This feature is sometimes called an air gap design. The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine. This cooler air charge provides additional power and torque.
Item Condition:
Brand New
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