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Intake Manifolds

Part# 4910

$298.00


Part# 4913

$298.00


$616.00 - $622.00


Part# 4915

$449.00


4910 Big Block Oval Port Dual Plane

4910 Big Block Oval Port Dual Plane 9.8 Deck

Part# 4910
AFR proudly presents the Magnum Intake Manifold, the ultimate power upgrade for your Big Block Chevy engine. Crafted with precision and engineered to perfection, this manifold is the key to unlocking a new level of performance for your street vehicle. Designed to seamlessly integrate with our acclaimed AFR Magnum Oval port cylinder heads, this manifold promises a hassle-free enhancement to your engine’s capabilities.
 
Say goodbye to the painstaking task of port matching, as it is a direct bolt-on solution for our select cylinder heads. The Magnum Intake Manifold utilizes a dual-plane design, featuring runners that are custom-tailored for high-horsepower applications thriving in the 1800-6200 RPM range. Elevate your driving experience today with AFR’s Magnum Intake Manifold – where power meets precision.

*Best fit for AFR Magnum Oval Port 265cc, 290cc, and 300cc cylinder heads. May require porting to match other cylinder heads.

4913 Big Block Rectangular Port Dual Plane

4913 Magnum Big Block Rectangle Port Dual Plane Manifold 9.8 Deck

Part# 4913
The AFR Magnum Intake Manifold is the ultimate power upgrade for your Big Block Chevy engine. Crafted with precision and engineered to perfection, this manifold is the key to unlocking a new level of performance for your street vehicle. Developed to match the port designs of our popular cylinder heads, this manifold provides an optimized intake tract for increased performance. These As-Cast pieces were modeled using our rectangular ports and provide guaranteed fitment out of the box. 
 
Say goodbye to the painstaking task of port matching, as it is a direct bolt-on solution for our select cylinder heads. Perfect for street and marine applications with an RPM range up to 6,500 RPM. Features include unmachined port nitrous bosses, 2 distributor clamp locations and mutliple front and rear coolant bosses. Elevate your driving experience today with AFR’s Magnum Intake Manifold – where power meets precision. Best fit for AFR Magnum Rectangle Port 305cc, 315cc, and 325cc cylinder heads.

May require porting to match other cylinder heads.
Using this product with AFR Enforcer or non-AFR heads could necessitate machining of the manifold or block
Designed for 4150/4160 Carbs
Tall Deck 10.2 blocks

Big Block Chevy 18° Magnum Single Plane Manifold

Designed for use with AFR's 18° Magnum Race Head, this 18° manifold is capable of 3000+ horsepower.  As seen on Dennis Taylor/Alex Taylor's Quest for the Sixes' in their 1955 Chevy 210.

$616.00 - $622.00

4915 BBC Magnum Rectangle Port Single Plane 4500 Aluminum Intake Manifold 9.8 Deck

Part# 4915
Engineered for maximum airflow and race-winning performance, the AFR BBC Magnum Rectangle Port Single Plane Intake is purpose-built for serious big block Chevrolet combinations. Designed specifically to complement AFR’s 357cc–385cc rectangle port cylinder heads, this intake is optimized for 540+ cubic inch engines operating in high-RPM environments up to 8000 RPM.
 
Featuring a large, race-proven plenum and precision-tuned runner geometry, the Magnum intake delivers exceptional cylinder-to-cylinder distribution and high-RPM efficiency. The 4500 Dominator flange provides the airflow capacity required for aggressive camshaft profiles and high-demand fuel systems, making it an ideal choice for naturally aspirated race engines as well as power-adder applications.
 
Cast from premium aluminum and engineered in-house by AFR, this intake manifold is built to handle the demands of drag racing, competition engines, and max-effort big block builds where peak horsepower and consistency are critical.
 
When paired with AFR’s high-flow rectangle port heads, the Magnum intake completes a fully optimized top-end package designed to perform at the highest level.

Specifications & Features

Application 540+ BBC Mark 4, 5, and 6 
Basic Operating RPM Range 3500-8000
Material Cast Aluminum
Carb Flange Height 6.24"
Manifold Type Single Plane
Port Dimensions 2.41" H x 1.70" W X 11/25 Radius
Port Locations Standard
Designed to fit 6856 (.060") or 6854 (.120")

Recommended Components

Intake Gasket 6856 (.060") or 6854 (.120")
Carb Flange Gasket Cometic C15238FC or Mr. Gasket 58C / 58CG or Fel-Pro 1903

$449.00


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