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Instruction Sheets for Part Number HPE-HP55C
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ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C
Part Number: HPE-HP55C
ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines
Crate Engine, GM 383 Stroker 500HP Stage 3, Long Block, Aluminum Heads, Intake Manifold, Carburetor, Each
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Estimated Ship Date from Texas: Monday 10/26/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HP55C
Part Type:
Product Line:
Summit Racing Part Number:
HPE-HP55C
UPC:
00653517259760
Crate Engine Family:
Chevy Small Block
Actual Engine Displacement:
6.3L/383
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
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
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines
Be ready for the street or the strip with ATK High Performance GM 383 Stroker 500 hp Stage 3 long block crate engines. They are built using bulletproof components and true craftsmanship to create a beast that is ready to tear up the track, but is reliable enough for the street. Producing an incredible 500 hp and 505 ft.-lbs. of tire-shedding torque, these engines will be sure to get everyone's attention at the next track day or car show.
ATK long blocks include:
* Handpicked, remanufactured block
* Performance aluminum cylinder heads
* Intake manifold
* Carburetion
* 4340 forged crankshaft and H-beam connecting rods
* Forged pistons
* Hydraulic roller camshaft
* 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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Some parts are not legal for use in California or other states with similar laws / regulations
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