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Vehicle Info NeededSPEEDMASTERPART NUMBER: 746-1-147-018
LowRise Intake Manifold Big Block Chevy 454 Oval Port - Black Finish
$33500
Ships on Sep 04, 2026
Lowest Price GuaranteeBig Block Chevy
LowRise Intake ManifoldBig Block Chevy 454 Oval Port Dual Plane Height: 5.750 in. Non-EGR RPM Range: Idle-6,000 Black Finish
1-147-018 Features:
- Includes (1) square bore carburetor adapter plate and (1) base gasket
- Matching plenum and runner design to keep air and fuel distribution even
- Delivers top-end power without sacrificing bottom-end torque
- High-grade aluminum casting
- Post-machined intake ports
- Accepts spread bore carburetors
Notes:
- Check hood clearance before installing
- Will NOT fit stock Corvette hoods without hood modifications
- NOT for tall deck V8 applications
- Will fit 1965-1990 oval port cylinder heads
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Low-Profile, Street-Legal Intake Manifolds
LowRise series intake manifolds by Speedmaster deliver a low profile for ultimate underhood clearance. These manifolds provide a perfect balance between top-end horsepower and low-end torque with their long-runner, dual-plane design, giving you the best of both worlds. Every Speedmaster intake is pressure tested to provide confident, superior performance.
Part TypeIntake Manifold
Product LineSpeedmaster LowRise Intake Manifolds
BrandSPEEDMASTER
Package Height6.0
Package Width11.5
Package Length24.0
Weight22.2 PG
Part CategoryPerformance Parts
Engine Block StyleStock/OEM standard deck
EgrNo
Intake MaterialCast Aluminum
Intake StyleDual plane
Rpm Range0-6000
QuantitySold individually
Intake FinishBlack
Carburetor QuantityOne
Part FitmentSemi Universal
Engine Make/SizeChevy Big Block
Vendor Part Number1-147-018
Package Qty1
Package TypeEA
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