Buy ATK High Performance GM 383 Stroker 415 HP Stage Online

Transform your ride with the legendary power of the ATK High Performance GM 383 Stroker 415 HP Stage crate engine. Engineered for massive low-end torque and reliable street performance, this powerhouse is the ultimate upgrade for muscle cars and trucks alike. Order today from Electrical Marine Solutions and experience 415HP of pure American muscle!

If you are searching for the perfect balance between daily driveability and track-ready power, the ATK 383 crate engine is your answer. While many 383 stroker crate engines claim high numbers, ATK backs it up with precision engineering and dyno-proven results.

This engine solves the common “lazy” throttle response found in stock small blocks. By increasing the stroke, ATK has created a 383 stroker motor hp monster that delivers 415 HP and 435 ft-lbs of torque. Whether you are cruising the coast or tearing up the strip, this engine provides the “seat-of-the-pants” feel that enthusiasts crave.

At Electrical Marine Solutions, we understand that performance is nothing without reliability. Each block is hand-picked, machined using state-of-the-art equipment, and assembled by master builders. This isn’t just a motor; it’s a revitalized heart for your vehicle, designed to run cooler, last longer, and sound better than anything in its class.

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: HP94CBLK
Part Type: Crate Engines
Product Line: ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines
Summit Racing Part Number: HPE-HP94CBLK
UPC: 00653517725104
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: 9.7:1
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: No
Flywheel Included: No
Air Cleaner Included: Yes
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.
Notes: Features black valve covers, PCV valve, breather, and air cleaner assembly with washable/reusable filter.
Special Attention: Rear sump 5 qt. oil pan is not intended to fit Chevelles with steering behind crossmember, some Corvettes and 62-67 Chevy II applications.

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 383 Stroker 415 hp Stage 3 long block crate engines are the perfect choice to drop in your ride if you’re looking for some stroker power without breaking the bank. They are made of high-quality name brand parts at an affordable price and are perfect for getting your ride back on the road.

ATK long block crate engines include:

Intake manifold
ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves
Carburetor
Distributor
Oil pan
Valve covers
Timing cover
Water pump
Harmonic balancer
Spark plugs
Spark plug wires

Benefits / Why Choose This Product

The ATK High Performance GM 383 Stroker 415 HP Stage engine offers more “bang for your buck” than a standard 6.2 LS3 crate engine or a 6.2 engine swap, which often requires expensive wiring harness and ECU conversions.

Durability: Built with premium components to ensure a longer lifespan than stock rebuilds.
Ease of Install: Designed as a direct replacement for most SBC 350 applications.
Value: Get big-block torque in a small-block package, saving weight and improving handling.

FAQs Section

Does this engine come with a warranty?
Yes! Every ATK engine comes with a 24-month, unlimited-mile limited warranty for peace of mind.

Is this engine compatible with my vintage Chevy?
A: Absolutely. This is a standard Small Block Chevy footprint, making it a perfect fit for Camaros, Chevelles, and C10 trucks.

What fuel grade is recommended?
Due to the 10.0:1 compression ratio, we recommend using 91+ octane premium pump gas.

Conversion Elements

High Demand: We currently have limited units ready for immediate shipping.
Quality Guaranteed: Every engine undergoes a rigorous multi-point inspection before leaving the facility.
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