ATK High Performance Engines ATK High Performance Chevy LS 408 Short Blocks - SP38B

Name: ATK High Performance Chevy LS 408 Short Blocks - SP38B
Brand: ATK High Performance Engines
SKU: VIN-S-ffbbda09621dfa54
Price: 8203.99 USD
Availability: InStock

Part # SP38BGTIN 00653517340475

$8,203.99

Only 1 left

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Shipping & Returns

Most orders ship within 1–2 business days from US warehouses. Tracking is emailed as soon as your order is on its way.

30-day hassle-free returns on unused parts in original packaging. Read the full returns policy

Overview

Elevate your Chevrolet's performance with the ATK High Performance Engines 408 Boosted/NOS Short Block, engineered for serious power and reliability. This robust short block is designed for enthusiasts looking to maximize their engine's potential with boost or nitrous.

Precision Engineering: Features a GM LQ4 block with a 4.030 in. bore and 4.000 in. stroke, optimized for high-performance applications.
Strong Components: Equipped with Manley forged 6.125 in. connecting rods and ARP main studs for superior strength and durability under pressure.
Boost Ready: Comes with a Total Seal CS AP ring package and steel rings pre-gapped for engines running over 10 psi, ensuring optimal sealing and performance.
Internal Balance: This short block is internally balanced, enhancing engine smoothness and performance.
Remanufactured Quality: Assembled with care, this short block promises reliability and longevity for your high-performance needs.

With a deck height of 9.240 in. and a 1-piece rear main seal, this short block is an ideal choice for any serious Chevy LS build. Upgrade your ride and experience the thrill of boosted performance today!

Genuine part — manufacturer part number SP38B
Ships fast from US warehouses
30-day hassle-free returns

Specifications

Brand	ATK High Performance Engines
Part #	SP38B
GTIN	00653517340475

Frequently Asked Questions

What is the purpose of the ATK High Performance 408 Boosted/NOS Short Block?

The ATK High Performance 408 Boosted/NOS Short Block is designed for high-performance applications, specifically for Chevrolet vehicles, and is ready for boost or nitrous setups.

What materials are used in the construction of this short block?

The short block features a cast iron engine block, forged aluminum pistons, and forged 4340 steel for both the crankshaft and connecting rods.

Is the ATK 408 Boosted/NOS Short Block assembled?

Yes, this short block is sold assembled and ready for installation.

What components are included with the short block?

The short block does not include an oil pan, flywheel, or timing cover.

How difficult is it to install the ATK 408 Boosted/NOS Short Block?

Installation difficulty can vary based on your experience, so it is recommended to consult a professional mechanic for installation.