Air and Fuel Intake Manifolds and Components

Airflow Research

BBC Magnum RP Intake Manifold Dual Plane

$358.72

SKU: A03K 4913

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The AFR Magnum Intake Manifold is the ultimate power upgrade for your Big Block Chevy engine, designed for street and marine applications with an RPM range up to 6,500 RPM. This manifold provides an optimized intake tract and guaranteed fitment out of the box with AFR Magnum Rectangle Port 305cc, 315cc, and 325cc cylinder heads, eliminating the need for port matching. It features unmachined port nitrous bosses, two distributor clamp locations, and multiple front and rear coolant bosses, and is designed for 4150/4160 Carbs.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAirflow Research
Part NumberA03K 4913

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy