BLK BIG M ALUM BBC 4.500/10.

Name: BLK BIG M ALUM BBC 4.500/10.
Brand: Dart
SKU: D00Q 31264454
Price: 8202.13 USD
Availability: InStock

$8,202.13

SKU: D00Q 31264454

In Stock

Ships by Jun 8

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Professional / shop required

Description

The Dart 31264454 is an Aluminum Big M Engine Block designed for Big Block Chevrolet applications. It features a 4.500-inch bore and a 10.200-inch deck height. This engine block is made from aluminum with billet steel main caps, offering a lightweight yet strong foundation for high-performance builds. It is a performance part and is only legal for sale and use on uncontrolled (non-emissions controlled) vehicles or vehicles used solely for closed competition racing.

Fitment

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Specifications

Brand	Dart
Part Number	D00Q 31264454

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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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