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Top Street Performance

Chevy Big Block V8 Dual Plane Aluminum Intake Manifold - Polished

Chevy Big Block V8 Dual Plane Aluminum Intake Manifold - Polished

SKU: SKU: 83025

Regular price $415.56
Sale price $415.56 Regular price $472.23
Shipping calculated at checkout.

Low stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Compatible with Chevy big block V8 engines.
  • Composed of heat dissipating 6061-T6 aluminum
  • Dual plane design improves airflow and performance

Description

TSP's dual-plane high-performance intake manifold for the Big Block Chevy V8 is ideal for street performance applications. With a design that improves throttle response, as well as power and torque over a wide rpm range - idle to 5,500. It is cast from lightweight aluminum and features a low profile for ideal hood clearance.

Specs

Basic Operating RPM Range1,500-6,500 RPM
Carburetor Flange Style4150 Square Bore
Carburetor Quantity1
Center Maximum Height5.220 in.
CNC PortedNo
ColorPolished
Deck HeightStandard
EGRNo
Front Maximum Height4.450 in.
Fuel System TypeCarbureted
Gasket Or Seal IncludedNo
Grade TypePerformance
Intake Port ShapeOval
MaterialAluminum
Rear Maximum Height6.000 in.
Single Or Dual Plane TypeDual Plane

Engine Fitment

COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3

CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3

CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3

Q&A

What engines is this intake manifold compatible with?
This intake manifold is designed for 1965–2000 Chevrolet Big Block V8 engines, including popular displacements like 396, 402, 427, and 454.


Will this intake fit a 454 Big Block Chevy?
Yes, this intake is fully compatible with 454 Big Block Chevy engines using standard deck height and oval port cylinder heads.


What type of cylinder heads does this intake support?

This intake is designed for oval port cylinder heads, which are commonly used on street-oriented Big Block Chevy engines.


Will this intake work on tall deck or truck engines?
This intake is designed for standard deck Big Block Chevy engines and may not fit tall deck applications without modification.


Can I use both square bore and spread bore carburetors?
Yes, this intake is designed for spread bore carburetors and typically includes an adapter for square bore carburetors.


What RPM range is this intake designed for?
This dual-plane intake operates from idle to approximately 6,000 RPM, making it ideal for street performance and everyday driving.


What kind of performance gains can I expect?
This intake improves throttle response, torque, and overall drivability compared to stock manifolds, especially in low- to mid-range RPM.


Is this intake better for street or racing applications?
This intake is best suited for street performance and mild street/strip builds rather than high-RPM race-only setups.


What type of intake manifold is this?
This is a dual-plane intake manifold, designed to improve airflow velocity and enhance low-end torque and mid-range power.


Will this intake clear a stock hood?
Yes, it features a low-profile design that helps maintain hood clearance in most factory-style engine bays.


What material is this intake made from?
It is constructed from lightweight aluminum, which improves heat dissipation and reduces overall engine weight.


Does this intake include additional features?
Yes, it includes features like dual distributor hold-down provisions, four-corner water ports, and choke provisions for flexible installation setups.


Is this intake a direct bolt-on upgrade?
In most cases, it installs as a direct replacement for factory Big Block Chevy intake manifolds.


Do I need additional parts for installation?
You may need intake gaskets, carburetor linkage adjustments, and possibly a carburetor adapter depending on your setup.


Will this intake improve throttle response on a Big Block Chevy?
Yes, the dual-plane design increases air velocity at lower RPMs, improving throttle response and drivability.


Is this a good upgrade over a stock intake manifold?
Yes, this intake offers improved airflow and more consistent power delivery across the usable RPM range compared to factory intakes.


Is this intake good for street-driven big block builds?
Yes, it is specifically designed for street performance, providing strong torque and smooth power delivery.


Does the polished finish affect performance?
No, the polished finish is purely cosmetic and does not impact performance—it provides a clean, show-quality appearance.


How do I maintain the polished finish?
Regular cleaning and occasional polishing will help maintain shine and prevent oxidation over time.

Emissions Notice

This Top Street Performance (TSP) product is designed for racing and off-road competition use only. It is not legal for use on public roads or emissions-controlled vehicles and does not comply with federal, state, or local emissions regulations. The buyer assumes all responsibility for legal use and installation.

What is a Emissions-Controlled Vehicle?
"An emissions-controlled vehicle is any vehicle equipped with a factory-installed emissions control system designed to reduce air pollution. These systems include catalytic converters, oxygen sensors, EGR (Exhaust Gas Recirculation) valves, and diesel particulate filters (DPF). Most vehicles manufactured after 1975 are considered emissions-controlled and must comply with federal and state emissions laws when used on public roads."