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Home Engines Crate Engines ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines HP42C
Ford Performance Parts Aluminator 5.2 XS Long Block Crate Engines M-6007-A52XS
Ford Performance Parts Aluminator 5.2 XS Long Block Crate Engines M-6007-A52XS $20,441.00
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BluePrint Engines Pro Series Chevy 632 C.I.D. 815 HP Dressed Long Block Crate Engines PS6320CTC
BluePrint Engines Pro Series Chevy 632 C.I.D. 815 HP Dressed Long Block Crate Engines PS6320CTC $14,688.00

ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines HP42C

$11,765.00

Engine Assembly, Stage 3 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

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Category: Crate Engines
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Description

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: HP42C
Part Type: Crate Engines
Product Line: ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines
Summit Racing Part Number: HPE-HP42C
UPC: 00653517259883
Crate Engine Family: Chevy Big Block
Actual Engine Displacement: 8.8L/540
Crate Engine Cylinder Head Material: Aluminum
Engine Block Material: Cast iron
Assembled: Yes
Engine Balance: Internal
Cam Style: Hydraulic roller, Retro-fit
Rear Main Seal Style: 2-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: No
Quantity: Sold individually.

ATK High Performance GM 540 660 HP Stage 3 Long Block Crate Engines

Smash the competition or terrorize the street with ATK High Performance GM 540 660 hp Stage 3 long block crate engines. They are built around a rock-solid bottom-end and a free-breathing top-end to create a beast that is capable of 660 hp and 690 ft.-lbs. of tire-shredding power. ATK hand-assembles each of these mills out of top-of-the-line components to make them strong enough for the track, but reliable enough for street use, so you get the best of both worlds.

ATK GM 540 660 hp Stage 3 crate engines include:

* Dart Big M block
* High performance aluminum cylinder heads
* Intake manifold
* Carburetion
* 4340 forged steel crankshaft and H-beam connecting rods
* Forged pistons
* Hydraulic roller camshaft
* Cam lift- .640 int./.640 exh.
* Cam duration @ 0.50- 243 int./249 exh.
* 10.0:1 compression
* Distributor, plug wires, plugs
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube
* Water pump
* Front damper and flexplate

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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