Name: ATK High Performance GM 454 525 HP Stage 3 Long Block Crate Engines HP451PC
SKU: 73549
Price: 6998.00 USD
Availability: InStock

Description

Overview

Brand: ATK High Performance Engines

Manufacturer’s Part Number: HP451PC

Part Type: Crate Engines

Product Line: ATK High Performance GM 454 525 HP Stage 3 Long Block Crate Engines

Summit Racing Part Number: HPE-HP451PC

UPC: 653517515798

Crate Engine Family: Chevy Big Block

Actual Engine Displacement: 7.4L/454

Crate Engine Cylinder Head Material: Aluminum

Engine Block Material: Cast iron

Advertised Compression Ratio: 9.9:1

Assembled: Yes

Engine Balance: External

Cam Style: Hydraulic roller, OE roller

Rear Main Seal Style: 1-piece

Intake Manifold Included: Yes

Intake Manifold Style: Carbureted

Cylinder Heads Included: Yes

Carburetor Included: Yes

Throttle Body Included: No

Distributor Included: Yes

Oil Pan Included: Yes

Valve Covers Included: Yes

Timing Cover Included: Yes

Water Pump Included: Yes

Harmonic Balancer Included: Yes

Flexplate Included: Yes

Flywheel Included: No

Air Cleaner Included: No

Spark Plugs Included: Yes

Spark Plug Wires Included: Yes

Computer Included: No

Wiring Harness Included: No

Supercharger Included: No

Remanufactured: Yes

Quantity: Sold individually.

ATK High Performance GM 454 525 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 454 525 hp Stage 3 long block crate engines are updated versions utilizing later model blocks. They offer better street-ability with power, and they require an electric fuel pump. ATK Stage 3 or complete dressed engines are engineered for those wanting to drop the engine into their project and fire it up. They have outfitted the engines as completely as possible to save you time and headaches.

Typically ATK GM 454 525 hp complete engines consist of:

* OE Gen V block with 4-bolt mains
* OE reground crankshaft
* OE powder metal connecting rods
* Hypereutectic pistons
* Chromoly piston rings
* Hydraulic roller camshaft
* Aluminum cylinder heads
* Billet aluminum rocker arms
* Double roller timing chain and cover
* Oil pan, oil pump and pick-up tube
* Valve covers
* Flexplate
* Performance intake manifold
* Distributor
* Long water pump
* Front damper
* 780cfm carburetor
* Spark plugs and wires

Fitment and ordering notes

Confirm the exact model, part number, configuration, dimensions, and application against the information shown in this listing.
Review the product images and listed attributes before ordering; fitment can vary by vehicle, equipment, year, and installation setup.
Contact X Factor Motorsport for availability, fitment, product questions, or freight guidance before purchase.