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Instruction Sheets for Part Number HPE-HP89C
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Technical Articles for Part Number HPE-HP89C
ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89C
Part Number: HPE-HP89C
ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines
Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
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ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89
Estimated Ship Date: Today
Overview
Brand:
Manufacturer's Part Number:
HP89C
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP89C
UPC:
00653517266928
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:
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
Water Pump Style:
Long
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines
Awesome performance and awesome looks collide with ATK High Performance GM 350 390 hp Stage 3 long block crate engines. They are topped with trick looking parts and have the power to back them up. Each engine is 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 3 long block crate engines include:
* Handpicked, remanufactured block
* ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves
* Intake manifold
* Carburetion
* OE crankshaft and connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft
* Cam lift- .528 int./.536 exh.
* Cam duration at 0.50- 220 int./224 exh.
* 10.0:1 compression
* Distributor, plug wires, and plugs
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube
* Water pump
* Front damper and flexplate
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