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ATK High Performance GM 540 660 HP Stage 1 Long Block Crate Engines HP42
Part Number: HPE-HP42
ATK High Performance GM 540 660 HP Stage 1 Long Block Crate Engines
Engine Assembly, Stage 1 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each
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Estimated Ship Date: Feb 2, 2027 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HP42
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP42
UPC:
00653517144943
Crate Engine Family:
Chevy Big Block
Actual Engine Displacement:
8.8L/540
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.1:1
Assembled:
Yes
Engine Balance:
Internal
Cam Style:
Hydraulic roller, Retro-fit
Rear Main Seal Style:
2-piece
Intake Manifold Included:
No
Cylinder Heads Included:
Yes
Carburetor Included:
No
Throttle Body Included:
No
Distributor Included:
No
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
No
Harmonic Balancer Included:
No
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
No
Spark Plug Wires Included:
No
Computer Included:
No
Wiring Harness Included:
No
Stall Speed Rating RPM Range:
3,000
Supercharger Included:
No
Remanufactured:
No
Quantity:
Sold individually.
ATK High Performance GM 540 660 HP Stage 1 Long Block Crate Engines
Smash the competition or terrorize the street with ATK High Performance GM 540 660 hp Stage 1 long block crate engines. These engines 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 650 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 High Performance GM 540 660 hp Stage 1 crate engines include:
* Dart Big M block
* High performance aluminum cylinder heads
* 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.
* 10.1:1 compression
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube
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