Name: ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI - X Factors Motorsports
Price: 6445.00 USD
Availability: InStock

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

$6,445.00

Crate Engine, GM 383 Stroker Stage 3, 435 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, EFI, Each

Overview

Brand: ATK High Performance Engines

Manufacturer’s Part Number: HP36C-EFI

Part Type: Crate Engines

Product Line: ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI

Summit Racing Part Number: HPE-HP36CEFI

UPC: 653517517822

Crate Engine Family: Chevy Small Block

Actual Engine Displacement: 6.3L/383

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: Fuel Injection

Cylinder Heads Included: Yes

Carburetor Included: No

Throttle Body Included: Yes

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: Yes

Wiring Harness Included: Yes

Water Pump Style: Long

Supercharger Included: No

Remanufactured: Yes

Quantity: Sold individually.

Notes: Includes FiTech EFI system. Must use an Ignition Box with this EFI unit.

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 383 Stroker 435 hp Stage 3 long block crate engines with EFI are designed for better driveability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Based around FiTech Self-Learning EFI systems, these engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system–in line, in tank, or the FiTech Fuel Command Center. They are dyno-tested with your EFI system and ready to go!

Typically ATK GM 383 Stroker 435 hp complete long blocks consist of:

* Seasoned OE block with 4-bolt mains
* OE cast crankshaft
* 4340 forged I-beam connecting rods
* Forged pistons
* Chromoly piston rings
* Hydraulic roller camshaft
* Dart SHP aluminum cylinder heads
* Billet roller rocker arms
* Timing set
* Oil pan, oil pump and pick-up tube
* Valve covers
* Flexplate
* Performance intake manifold
* Distributor HEI
* Long water pump
* Front damper
* FiTech Go EFI 4-600 hp
* Spark plugs and wires
* Dyno test/tune

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.

1. Processing Time

Orders are typically processed within 1–2 business days after payment is confirmed.
Orders placed on weekends or holidays will be processed on the next business day.

2. Delivery Times

Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.
International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.

3. Shipping Rates

United States: Free standard shipping on all orders.
International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.

4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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