ATK HP55C-EFI Stage 3 EFI Long Block Crate Engine – GM 383 Stroker, 500 HP

The ATK HP55C-EFI is a remanufactured GM 383 stroker Stage 3 long block rated 500 HP, with 10.2:1 compression, aluminum heads, hydraulic roller cam, long water pump and FiTech EFI. Includes computer, heads, distributor, flexplate, balancer, intake, oil pan, plug wires, plugs, throttle body, timing cover, valve covers, water pump and harness; air cleaner, carburetor, flywheel and supercharger are not included.

Specifications

• Brand: ATK High Performance Engines
• Part / Model Number: HP55C-EFI
• Actual Engine Displacement: 6.3L/383
• Advertised Compression Ratio: 10.2:1
• Assembled: Yes
• Cam Style: Hydraulic roller
• Crate Engine Cylinder Head Material: Aluminum
• Crate Engine Family: Chevy Small Block
• Engine Balance: Internal/External
• Engine Block Material: Cast iron
• Intake Manifold Style: Fuel Injection
• Notes: Includes FiTech EFI system.
• Part Type: Crate Engines
• Rear Main Seal Style: 1-piece
• Remanufactured: Yes

Included: Computer, Cylinder Heads, Distributor, Flexplate, Harmonic Balancer, Intake Manifold, Oil Pan, Spark Plug Wires, Spark Plugs, Throttle Body, Timing Cover, Valve Covers, Water Pump, Wiring Harness.

Actual Engine Displacement: 6.3L/383

Advertised Compression Ratio: 10.2:1

Air Cleaner Included: No

Assembled: Yes

Brand: ATK High Performance Engines

Cam Style: Hydraulic roller, OE roller

Carburetor Included: No

Computer Included: Yes

Crate Engine Cylinder Head Material: Aluminum

Crate Engine Family: Chevy Small Block

Cylinder Heads Included: Yes

Distributor Included: Yes

Engine Balance: Internal/External

Engine Block Material: Cast iron

Flexplate Included: Yes

Flywheel Included: No

Harmonic Balancer Included: Yes

Intake Manifold Included: Yes

Intake Manifold Style: Fuel Injection

Manufacturer's Part Number: HP55C-EFI

Notes: Includes FiTech EFI system.

Oil Pan Included: Yes

Part Type: Crate Engines

Product Line: ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI

Quantity: Sold individually.

Rear Main Seal Style: 1-piece

Remanufactured: Yes

Spark Plug Wires Included: Yes

Spark Plugs Included: Yes

Supercharger Included: No

Throttle Body Included: Yes

Timing Cover Included: Yes

UPC: 653517517891

Valve Covers Included: Yes

Water Pump Included: Yes

Water Pump Style: Long

Wiring Harness Included: Yes

NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.

Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.