SPEEDMASTER 1-147-012 Intake Rise Air Dual Plane Vortec 840136560524

( Brand: Speedmaster ), ( Part Type: Intake ), ( Manufacturer Warranty: 12 Months ), ( Manufacturer Part Number: 1-147-012 ), ( Seller: Performanceparts ), ( Universal Fitment: No ), ( Country Of Origin: China ), ( UPC: 840136560524 )

Review SPEEDMASTER Intake Mid rise Air Dual Plane Black Sbc Vortec

The Speedmaster 1-147-012 Intake is a mid-rise, dual-plane air intake system designed specifically for small-block Chevrolet Vortec engines. This intake system is an excellent upgrade for those seeking improved engine performance and a more distinctive appearance for their vehicle.

The mid-rise design of this intake system allows for a taller, more compact intake manifold, providing clearance for aftermarket components such as tall-deck cylinder heads or larger carburetors. The dual-plane design ensures a smooth, equal airflow to each cylinder, optimizing combustion efficiency and enhancing engine power.

This intake system features a high-flow, aluminum design that reduces weight and increases airflow. Each runner is meticulously crafted to ensure a perfect fit and optimal airflow for each cylinder. The intake also includes a unique, polished finish that adds a touch of style and elegance to your engine bay.

The Speedmaster 1-147-012 Intake is easy to install, with all necessary hardware included. The intake comes with a set of high-performance, long-lasting gaskets that ensure a leak-free seal between the intake and engine components. The intake also includes a set of high-performance, reusable, and washable air filters that help ensure optimal airflow and filtration for your engine.

In summary, the Speedmaster 1-147-012 Intake is a high-quality, performance-enhancing upgrade for your small-block Chevrolet Vortec engine. With its mid-rise, dual-plane design, high-flow aluminum construction, and easy installation process, this intake system is an excellent choice for those seeking improved engine performance and a more distinctive appearance for their vehicle.

Pros and Cons of Buying a Holley 1-147-012 Intake Manifold for Vortec Engines

The Holley 1-147-012 Intake Manifold, also known as the Mid-Rise Dual Plane Intake, is a popular aftermarket intake manifold for Vortec engines. This intake manifold is renowned for its ability to deliver improved airflow and power. In this analysis, we will discuss the advantages and disadvantages of using this intake manifold.

1. Enhanced Airflow: The Holley 1-147-012 Intake Manifold is designed to provide better airflow to the engine compared to the stock intake manifold. This is achieved through its dual-plane design and larger velocity stacks.

2. Power Gain: Upgrading to the Holley 1-147-012 Intake Manifold can result in significant power gains. The increased airflow delivers more fuel and air to the engine, leading to improved combustion and more horsepower.

3. Improved Engine Appearance: The Holley Mid-Rise Intake Manifold is an aesthetic upgrade for any Vortec engine. Its polished aluminum finish and distinctive dual-plane design make it a popular choice among enthusiasts.

4. Flexibility: The Holley 1-147-012 Intake Manifold is compatible with various Vortec engines, including those found in Chevrolet and GMC trucks. This makes it a versatile option for those looking to upgrade their intake manifold.

1. Complex Installation: Installing the Holley 1-147-012 Intake Manifold can be a complex process, especially for those without experience in engine performance upgrades. This intake manifold requires precise alignment and adjustment of the carburetors.

2. Cost: Compared to a stock intake manifold, the Holley 1-147-012 Intake Manifold is a more expensive option. The additional cost may be a deterrent for some enthusiasts.

3. Tuning: To fully realize the performance gains of the Holley 1-147-012 Intake Manifold, some tuning may be required. This can include adjusting the carburetor mixtures and potentially using a performance chip or programmer.

The Holley 1-147-012 Intake Manifold is an excellent choice for those seeking improved airflow, power gains, and a more visually appealing engine setup for their Vortec engine. However, the complex installation process, higher cost, and potential need for tuning may deter some enthusiasts. Ultimately, the decision to purchase this intake manifold depends on individual priorities, budget, and experience level.

If you are an experienced engine builder or enthusiast seeking significant power gains and improved engine aesthetics, the Holley 1-147-012 Intake Manifold is a worthwhile investment. For those with limited experience or a tighter budget, a stock intake manifold or a less complex aftermarket manifold may be a more suitable choice. Always ensure that you have the necessary tools and knowledge before attempting an intake manifold installation.

Details:

EGR or Non-EGR: Non. Cast from steel molds for a tighter grain and reduction of porosity. The modification is not to the manifold itself. The main difference is that there an open area under the plenum chamber.

The Speedmaster Mid-Rise Air design features the identical plenum and runner as normal. RPM Range: 1500 to 6500. The air flowing under the plenum provides a cooler charge for incoming with less heat transfer from engine. Automotive A1000 Fuel Pump Speedmaster Intake 1-147-012; Mid-Rise Air Dual Plane Black for SBC Vortec: Specifications: Manifold Series: Mid Rise.

Requires Aftermarket Fuel Rails: No. Intake Style: Dual Plane. Includes Fuel Rails: No. Engine: 305 to 350.

The manifold also has a square bore carb pad to utilize the standard Holley Carter and Outbreak carburetors. Quantity: Sold As Each. In some cases, the image being displayed may be different due to a running change by manufacturer, for which new has not supplied. Includes Gaskets: No.

Any shipping costs are based on weight, size, and number of packages. Warranty: Most parts come with a limited manufacturers warranty on the part ONLY. Port Style: Rectangular. This feature is sometimes called an air gap design.

Fuel System Type: Carburetors. Material: Aluminum. This Speedmaster Mid-Rise Air for the Vortec features wider design to accommodate heads and also port configuration. Finish: Black.

Features: Open area under the plenum chamber air gap design. Carburetor or Throttle Body Flange: 4150 Square Flange. Items must be in the original packaging. Deck height : Standard.

Pressure tested to ensure maximum performance.

part #: 1147012 prices

• $309.00-$341.05

specifications inputmanifolds:

• brand: Speedmaster
• part type: Intake
• manufacturer warranty: 12 Months
• manufacturer part number: 1-147-012
• seller: Performanceparts
• universal fitment: No
• country of origin: China
• upc: 840136560524

payments inputmanifolds:

• other
• credit card: Diners-club
• wallet: Paypal

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New

offer inputmanifolds:

• availability: In Stock
• started: June 3, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0

seller inputmanifolds:

• # reviews: 167424
• city: Lenexa, Kansas
• rating: 99.9%

shipping inputmanifolds:

• class: Standard
• carrier: FedEx, UPS
• transit: 2-5 Days
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, UPS Ground
• cost: $0.00

returns inputmanifolds:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

Speedmaster 1-147-012 Is Similar To:

• Triumph T1245525 America And Speedmaster Efi Throttle Body Adaptor Intake Manifold Set Oem (33.1% similar) Part #: triumph T1245525 for sale...(October 17th, 2024)
• Speedmaster 1-147-007 Sb Chevy 265-400 Mid-rize Intake Dual Plane 4150 Flange (60% similar) Brand: Speedmaster, part #: 1-147-007, style: mid-rise,dual plane, rpm style, application: sb Chevy 265-400 W/1987-95 heads, 1500-6500RPM, carb flange: 4150 flange, special notes: no repairs, w/hardware, condition: excellent. All intakes are reconditioned by our in-house techs. Tram has one of...(November 5th, 2024)
• Speedmaster 1-147-044 Intake Low-rise Dual Plane Machine Polish For 260-302 Sbf (69.7% similar) Finish:machine polished. In some cases, the image being displayed may be different due to a running change by manufacturer, for which new has not supplied. Intake manifold model or series:low rise. Boxes on orders over $200. Warranty: most parts come with a limited manufacturers warranty...(December 9th, 2024)
• Speedmaster 1-147-059 Parker-style Hi-rise 3 500-8 000 Mach Pol For Sbf (59.7% similar) Warranty: most parts come with a limited manufacturers warranty on the part only. Port style:rectangular. Boxes on orders over $200. Items must be in the original packaging. In some cases, the image being displayed may be different due to a running change by manufacturer, for which new...(December 16th, 2024)
• Speedmaster 1-147-060 Parker-style Hi-rise 3 500-8 000 Black For 260-302 Sbf (61.7% similar) Boxes on orders over $200. In some cases, the image being displayed may be different due to a running change by manufacturer, for which new has not supplied. Port style:rectangular. Intake style:single plane. Any shipping costs are based on weight, size, and number of packages...(December 17th, 2024)
• Speedmaster Pce349.1030 Pontiac 326 400 455 Intake Manifold Gasket Set 1233 2.20 Inch X1.18 X0.060 (36.3% similar) They also feature a non-metallic, rubber-fiber base material that resists gasoline and alcohol, while allowing engine builders to precision-trim around the intake ports. Brand information. Actual product may vary from the picture provided. While all care is taken, any errors or omissions in...(January 11th, 2025)
• Speedmaster 1-147-092 Intake Hirise Single Plane Polished For Pontiac 326-455 (68% similar) Boxes on orders over $200. Items must be in the original packaging. Warranty: most parts come with a limited manufacturers warranty on the part only. Speedmaster intake 1-147-092; hires single plane polished for Pontiac 326-455 manifold model or series: hi rise make: : 326 to...(January 23rd, 2025)
• Speedmaster Pce147.1087 Small Block Chevy Blower Manifold Or Dual 4bbl Intake Manifold (35% similar) Speedmaster twin-carb intake manifolds combine two four-barrel carburetors to achieve the best balance of provability, great looks, and outstanding performance for muscle car, street rod marine applications. Featuring a low profile design and high flow runner. This multi-purpose intake manifold...(February 16th, 2025)
• Speedmaster Pce318.1003 Ford 302 351c Cleveland 12 Point Steel Intake Manifold B (39.2% similar) American express. Thread zinc-plated finish includes washers these intake manifold bolts are bright zinc-plated for protection and appearance. Kits include hardened flat washers for uniform torque and to prevent galling on aluminum intake manifolds. Speedmaster PCE318.1003 ford 302 351C Cleveland...(March 3rd, 2025)
• Speedmaster 1-149-004-01 Small Block Chevy Blower Intake Satin Finish (43.7% similar) These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use. Brand:Speedmaster, part NUMBER:1-149-004-01, type:intake manifold, supercharger, engine block style:stock/oem standard deck, erg:no, intake material:aluminum, finish:satin, quantity:sold...(April 6th, 2025)
• Speedmaster 1-149-004-02 Small Block Chevy Blower Intake Machined Polished (42.2% similar) Notes:includes blow off valve assembly. Brand:Speedmaster, part NUMBER:1-149-004-02, type:intake manifold, supercharger, engine block style:stock/oem standard deck, erg:no, intake material:aluminum, finish:machined polished, quantity:sold individually. These Speedmaster supercharger manifolds...(April 6th, 2025)