Air and Fuel Intake Manifolds and Components

Airflow Research

Intake Gasket Set BBC Magnum 345/357/377/385

$44.64

SKU: A03K 6856

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Airflow Research 6856 is a pair of intake manifold gaskets designed for Big Block Chevy engines. These gaskets are 0.06 inches thick and feature rectangular ports measuring 1.826 by 2.5 inches. They are constructed from composite material.

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 6856

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