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Weiand 1981 Nostalgic Hi-Ram Dual Quad Intake Manifold - Chevy Big Block

(Chevrolet Camaro 1968-72, Corvette 1966-74, Impala 1963, 1966-76, Malibu 1973-75, Chevelle 1966, 1968-73, Blazer 1973 + 35 more models)

Manufacturer

Part Number

1981
Sale Price

$699.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Weiand 1981 Nostalgic Series Hi-Ram intake manifold is engineered for serious Chevy Big Block V8 performance applications, delivering impressive power gains in the 2500-8000 RPM range. This iconic dual-quad design features a large-volume plenum and special D-shaped port runners that optimize air/fuel distribution for maximum horsepower.

Key Features:

  • Dual 4-barrel carburetor configuration with square flange mounting
  • Large volume plenum design for improved cylinder filling
  • Special D-shaped port runner design for enhanced flow characteristics
  • Optimized power band: 2500-7800 RPM (peak performance 2800-8000 RPM)
  • Carburetor flange center-to-center spacing: 9-11/16 inches
  • Manifold height: 10.12 inches (front), 10.93 inches (rear)
  • Square flange carburetor mounting for universal compatibility

This Hi-Ram manifold is part of Weiand's legendary Nostalgic Series, combining classic styling with modern engineering for street/strip big block Chevrolet builds. The elevated plenum design and dual-quad setup deliver the aggressive appearance and performance that enthusiasts demand.

Products specifications

Fits

Chevrolet Camaro 1968-72, Corvette 1966-74, Impala 1963, 1966-76, Malibu 1973-75, Chevelle 1966, 1968-73, Blazer 1973, C10 Pickup 1968-69, 1973-80, Caprice 1966-76, C10 1975-81, El Camino 1969-75, Monte Carlo 1970-75, Nova 1969-70 + 29 more models

Number Of Carbs

One

Front Height

10.120 in.

RPM Range

2800-8000

Rear Height

10.930 in.

Position

Upper

Emission

Without EGR

Cylinder Head Type

Standard

Prop 65

No

Engine Make/Size

Chevy Big Block V8

Usage

Racing

Finish

Satin

Brand

Weiand

Carburetor Flange

4150 Square Bore

Carburetor Quantity

2

Carburetor Studs Included

No

Category

Intake Manifolds

CNC Ported

No

Color

Natural

Construction

Cast

Cylinder Head Port Shape

Oval

Deck Height

9.8

EGR Port

No

Emission Code

4

Engine

Chevy Big Block V8

Flange Style

4150 Square Bore

Fuel Injectors Included

No

Fuel Rail(s) Included

No

Fuel System Type

Carb

Gasket Or Seal Included

No

Grade Type

Performance

Intake Port Gasket(s) Included

No

Manifold Type

Hi-Ram

Material

Aluminum

Nitrous Bung(s) Included

No

Plenum Finish

Cast

Product Type

Intake Manifold

Removable Runners

No

Removable Top/Lid

Yes

Single Or Dual Plane Type

Single

Throttle Body Bore Diameter

3.6

Throttle Body Gasket Included

No

Throttle Body Included

No

Vacuum Ports

No

Warning

California Proposition 65

Warranty

Manufacturer's Limited 90 Day Warranty

Good

Easy site to use One great security issue the company actualy calls you to confirm the purchase to avove fraud. Excellent job!! i will buy from you again. Bill

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