Air and Fuel› Intake Manifolds and Components

GM Performance

COPO 327 4.0L T/BODY

$900.47

SKU: G03V 19300085

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

A 109mm mechanical throttle body assembly specifically for the GM Performance COPO 327ci 4.0SC engine. Constructed of cast aluminum for durable, reliable performance and heat deflection, providing maximum airflow for high-performance applications. It is the same throttle body unit used on Chevrolet Performance's crate engines for the COPO program.

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

BrandGM Performance
Part NumberG03V 19300085

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