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ATK ENGINESPART NUMBER: 059-HP97K

GM LS High-Performance Crate Engine Kit

Name: GM LS High-Performance Crate Engine Kit
Brand: ATK ENGINES
SKU: 059-HP97K
Price: 5450.88 USD
Availability: InStock

^$5,450⁸⁸

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LS 5.3L Crate Engine Kits

GM LS High-Performance Crate Engine Kit

GM 5.3L 385 HP / 390 TQ Base Engine
Includes:

Crate Engine

Intake Manifold

Valley Cover

Timing Cover

Ignition Box

Oil Pan

ATK GM LS High-Performance Crate Engine Kit Includes:

ATK Engines High-Performance Crate Engine GM LS 5.3L 385 HP / 390 TQ - 059-HP97
Holley Dual Plane Mid-Rise Intake Manifold - 510-300-130
ICT Billet Valley Pan Cover Plate - 335-551629
JEGS LS Timing Cover - 555-50320
MSD Ignition Controller - 121-6014
JEGS Retrofit Oil Pan - 555-50239

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Please CLICK HERE for ATK Warranty

High-Performance Replacement Engine for LS-Based Trucks, Vans & SUV's

In 2007, ATK launched a High-Performance Division with one of the finest engine shops in the country. By reverse engineering all of their engines, they are able to eliminate any OEM deficiencies. This makes an ATK built crate engine have a superior design over the original engine by incorporating better components when needed. These quality built engines are offered in three different stages for ease of finishing an engine swap. ATK HP engines feature a 24 month/unlimited mile warranty.

Engine Specifications

This engine was designed to be a performance upgrade for LS based vehicles or perfect for a swap in a hot rod. For optimal performance you will need headers, chassis dyno tune, and upgraded injectors.

Horsepower: 385 hp
Torque: 390 lb/ft

Block Information:

OE LM7/5.3L iron
Bore/Stroke: 3.809" x 3.622"
Displacement: 5.3L

Rotating Assembly:

Crankshaft: OE GM 24 tooth reluctor wheel
Rods: Stock GM
Compression Ratio: 9.5:1
Pistons: Hypereutectic
Rings: Moly

Camshaft Specs:

Camshaft: Hydraulic roller
Cam Specs: Custom performance grind

Cylinder Head Information:

Cylinder Heads: OE aluminum
Combustion Chamber: 61.15cc
Valve Size: 1.89" Intake / 1.55" Exhaust
Rocker Arms: OE roller rockers 1.7 ratio

Oil Pump Information:

Oil Pump: Melling standard volume

Base Engine Includes:

Short Block
Camshaft
Timing Set
Cylinder Heads
Oil Pump

Part TypeEngine

Product LineATK HP Long Block Crate Engines for GM LS 5.3L Vehicles

BrandATK ENGINES

Part CategoryPerformance Parts

Engine TypeHigh-Performance Crate Engine

Cylinder Head MaterialAluminum

Engine Block MaterialCast iron

Part FitmentSemi Universal

Engine Displacement5.3L

Engine Make/SizeGM Gen III/IV LS

Package Qty1

Package TypeEA

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