F-REMANUFACTURED TRANSMIS

Name: F-REMANUFACTURED TRANSMIS
Brand: GM Performance
SKU: G03V 8690989
Price: 1570.56 USD
Availability: InStock

$1,570.56

SKU: G03V 8690989

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Ships in 4–6 weeks

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The GM Performance Bowtie Oval-Port Aluminum Cylinder Head Assembly is a high-performance street cylinder head designed for broad power range, good low-end torque, excellent throttle response, and strong mid-range and top-end power. Made from 356-T6 aluminum with thick deck surfaces and high-velocity airflow passages. Oval-port design optimized for greater low-rpm torque, ideal for street applications. It is compatible with Chevrolet Big-Block Mark IV and Gen V, VI blocks.

Fitment

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

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Specifications

Brand	GM Performance
Part Number	G03V 8690989

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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.

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