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CHEVROLET PERFORMANCE

LS3/L92 Engine Block

$3,377.33 $3,115.59 Save $261.74

SKU: C05F 12729604

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The LS-Series cylinder block provides a foundation for high-performance street and racing applications. It features a deep-skirt casting, 6-bolt cross-bolted main caps, and is constructed from a strong, lightweight aluminum alloy. It includes provisions for modern engine control management and a cam-in-block configuration for inherent torque. Production-based blocks support 500+ horsepower.

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

BrandCHEVROLET PERFORMANCE
Part NumberC05F 12729604

Videos

GM LS3 Long-Block Assembly

GM LS3 Long-Block Assembly
WHAT we REPLACE on EVERY LS CAM SWAP at our shop! 6.2L LS BTR FULL VVT DELETE.

WHAT we REPLACE on EVERY LS CAM SWAP at our shop! 6.2L LS BTR FULL VVT DELETE.
Chevrolet Delivers 430HP in the LS3 Engine

Chevrolet Delivers 430HP in the LS3 Engine
69’ Camaro new crate engine 6.2L LS3 6-speed

69’ Camaro new crate engine 6.2L LS3 6-speed
LS Engine for Any Budget

LS Engine for Any Budget
Ultimate LS Engine Overview

Ultimate LS Engine Overview
Chevy's LS376 + Hot Cam = 480 HP!!!

Chevy's LS376 + Hot Cam = 480 HP!!!
5.3L to 6.2L Swap (FAQ)

5.3L to 6.2L Swap (FAQ)

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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