ATK HP105 Long Block Crate Engine – GM Marine 383 Stroker Mercruiser MPI Base, 380 HP

The ATK HP105 is a remanufactured GM 383 (6.3L) stroker marine MPI base long block rated 380 HP, with 9.1:1 compression, cast iron heads and block, hydraulic roller cam and external balance. Includes heads, timing cover and valve covers; other components are not included.

Specifications

• Brand: ATK High Performance Engines
• Part / Model Number: HP105
• Actual Engine Displacement: 6.3L/383
• Advertised Compression Ratio: 9.1:1
• Assembled: Yes
• Cam Style: Hydraulic roller
• Crate Engine Cylinder Head Material: Cast iron
• Crate Engine Family: Chevy Small Block
• Engine Balance: External
• Engine Block Material: Cast iron
• Part Type: Crate Engines
• Rear Main Seal Style: 1-piece
• Remanufactured: Yes

Included: Cylinder Heads, Timing Cover, Valve Covers.

Actual Engine Displacement: 6.3L/383

Advertised Compression Ratio: 9.1:1

Air Cleaner Included: No

Assembled: Yes

Brand: ATK High Performance Engines

Cam Style: Hydraulic roller, OE roller

Carburetor Included: No

Computer Included: No

Crate Engine Cylinder Head Material: Cast iron

Crate Engine Family: Chevy Small Block

Cylinder Heads Included: Yes

Distributor Included: No

Engine Balance: External

Engine Block Material: Cast iron

Flexplate Included: No

Flywheel Included: No

Harmonic Balancer Included: No

Intake Manifold Included: No

Manufacturer's Part Number: HP105

Oil Pan Included: No

Part Type: Crate Engines

Product Line: ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines

Quantity: Sold individually.

Rear Main Seal Style: 1-piece

Remanufactured: Yes

Spark Plug Wires Included: No

Spark Plugs Included: No

Supercharger Included: No

Throttle Body Included: No

Timing Cover Included: Yes

UPC: 00653517527357

Valve Covers Included: Yes

Water Pump Included: No

Wiring Harness Included: No

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.