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Engines and Components› Engines, Blocks and Components

CHEVROLET PERFORMANCE

Engine Block - BBC Gen VI

$4,216.30 $3,986.79 Save $229.51

SKU: C05F 19434240

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

The Chevrolet Performance 502 Mark IV/Gen VI bare block is a high-strength, cast-iron, 4-bolt main engine block. This block bridges Gen VI and Mark IV designs, featuring a 4.470 in. finished bore, a 9.800 in. short-deck height, and a one-piece rear main seal, making it ideal for 502 cu. in. (8.2L) engines.
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Engine Block - BBC Gen VI

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandCHEVROLET PERFORMANCE
Part NumberC05F 19434240

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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