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Instruction Sheets for Part Number HPE-HP89
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Technical Articles for Part Number HPE-HP89
ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89
Part Number: HPE-HP89
ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines
Crate Engine, Assembly, Stage 1, Long Block, 1-Piece RMS, 4-Bolt Mains, Cast Iron w/Aluminum Heads, Hydraulic Roller, 10:1 CR, Chevy, Gen I 350, Each
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Estimated Ship Date from Ohio: Monday 10/26/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HP89
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP89
UPC:
00653517265105
Crate Engine Family:
Chevy Small Block
Actual Engine Displacement:
5.7L/350
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.0:1
Assembled:
Yes
Engine Balance:
Internal/External
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-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
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines
Awesome performance and awesome looks combine with these ATK High Performance GM 350 390 hp Stage 1 long block crate engines. They are topped with trick looking parts and they have the power to back them up. These engines are hand-assembled and balanced to help them put out 390 hp and 420 ft.-lbs. of torque that will tear up the street or strip. Whether you are looking to pack some more power in your street rod, muscle car, or truck, ATK has you covered.
ATK GM 350 390 hp Stage 1 long block crate engines include:
* Handpicked, remanufactured block
* ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves
* OE crankshaft and connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube
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