383 Signature Forged Short Block
The Foundation For Your Dream Small Block.
A great performance engine starts with a foundation you can depend on. The 383 Street Beast Short Block delivers the strength, precision, and premium components needed to build a serious Small Block Chevrolet without starting from scratch.
At its core is an all-new Dart SHP aftermarket block featuring splayed four-bolt main caps, priority main oiling, and a modern one-piece rear main seal. Paired with an Eagle forged rotating assembly, this combination provides a heavy-duty foundation for everything from a responsive street engine to more demanding performance applications.
Every short block receives professional machine work, rotating assembly balancing, and careful assembly with critical measurements and clearances verified throughout the process. Rather than purchasing a basic assembled short block, you're investing in a professionally prepared foundation built with the same attention to detail and component selection found throughout Reid's Speed Shop's complete engine packages.
With the bottom end professionally prepared, you have the flexibility to select the cylinder heads, camshaft, induction system, and supporting components that best suit your application. Whether you're planning a dependable street cruiser, an aggressive naturally aspirated combination, or a future performance upgrade, the Street Beast provides a strong starting point for bringing your project together.
The 383 Street Beast Short Block combines a heavy-duty aftermarket foundation, forged internals, and precision assembly for enthusiasts who want to build their engine around quality from the very beginning.
Starting out at $6,399
Typical investment varies based on component options, and customer-selected upgrades.Quick Look
Engine Block
Heavy-Duty Aftermarket Engine Block
Priority Main Oiling System
4-Bolt Main Caps with Splayed Outer Bolts
OE Hydraulic Roller Camshaft Compatible
Blind Head Bolt Holes
Cast-In Stroker Clearance
One-Piece Rear Main Seal Design
Rotating Assembly
Eagle Pro Street 4340 Forged Rotating Assembly
4340 Forged Steel 3.750" Stroke Crankshaft
5140 Forged FSI I-Beam Connecting Rods
7/16" ARP 8740 Rod Bolts
Forged Performance Pistons
Performance Rod & Main Bearings
Compression Ratios Available from 9.3:1–11.2:1
Precision Assembly
Professionally Machined
Blueprint-Assembled
Clearances Verified
Ready for Your Cylinder Head & Induction Combination
Add-Ons:
Valvetrain & Timing
Your Choice of Hydraulic Roller Camshaft
Stage 1–4 Camshaft Packages or Custom Grind Available
Premium Johnson Hydraulic Roller Lifters
LPC Billet 9-Way Adjustable Double Roller Timing Set w/ Torrington Bearing
ARP Camshaft Hardware
Oiling & Sealing
Complete Melling Performance Oiling System
Hardened Oil Pump Driveshaft
Properly Set Oil Pickup Depth
Oil Pickup Screen Retainer Installed
Moroso 5-Quart Stroker Oil Pan
One-Piece Oil Pan Gasket
Edelbrock Polished Aluminum Timing Cover
Timing Pointer & Harmonic Balancer Included
ARP Timing Cover & Harmonic Balancer Hardware
Why Choose Reid’s speed Shop?
Purchasing a performance engine is a significant investment, and choosing the right builder is just as important as selecting the right components. At Reid's Speed Shop, every engine receives the individual attention, precision, and craftsmanship expected from a dedicated performance engine building shop.
Each combination is carefully planned around its intended application, with components selected for compatibility, performance, and long-term reliability. Throughout assembly, critical measurements and clearances are verified to ensure every engine meets our standards before completion.
One of the greatest advantages of working with Reid's Speed Shop is direct communication with the person building your engine. Customers are kept informed throughout the process, with progress updates and photographs providing an inside look at their engine as it comes together.
Complete hydraulic roller engine combinations also undergo operating verification on our dedicated engine test stand, allowing us to monitor critical operating conditions and inspect for potential issues before delivery. Customers can see and hear their completed engine running through video updates or in person when arrangements allow.
From initial consultation to final verification, our focus is on delivering a professionally built performance engine and a customer experience that inspires confidence in every step of the process.