BBC IR/BLK 10.200-STD-4.250

Name: BBC IR/BLK 10.200-STD-4.250
Brand: Dart
SKU: D00Q U31213354
Price: 3295.37 USD
Availability: InStock

$3,295.37

SKU: D00Q U31213354

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Description

The Dart Big M block is an iron engine block engineered for strength, reliability, and ease of build for Big Block Chevrolet engines. It features a 10.200" deck height, 4.250" bore (max 4.625"), siamesed extra-thick cylinder walls, and +.300" tall Gen VI style lifters. The block also includes 4-bolt billet splayed main caps, a priority main oil system with stepped gallery and front oil crossover, lifter valley head stud bosses, and dual oil pan bolt patterns. It comes with a parts kit (PN 32000039) and is made from 220 BHN cast iron.

Fitment

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Specifications

Brand	Dart
Part Number	D00Q U31213354

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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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