The 355 Enforcer SBC
READY FOR A SMALL BLOCK BUILT TO GO THE DISTANCE?
THE 355 ENFORCER IS BUILT FOR THOSE WHO VALUE PERFORMANCE THEY CAN DEPEND ON.
The 355 Enforcer takes the proven 350 Small Block Chevrolet platform and elevates it with the strength, precision, and quality components expected from a modern performance engine.
Built around an all-new Dart SHP aftermarket block featuring splayed four-bolt main caps, priority main oiling, and a modern one-piece rear main seal, the Enforcer offers a heavy-duty foundation designed for strength, durability, and dependable operation.
Paired with AFR aluminum cylinder heads, a carefully selected hydraulic roller camshaft, and a full roller valvetrain, this combination delivers responsive power, excellent street manners, and the unmistakable character of a properly built small block.
Whether destined for a restored classic, weekend cruiser, show car, or hot rod built to rack up the miles, the Enforcer can be tailored to your application and driving preferences without sacrificing the quality of its foundation.
For the enthusiast who isn't chasing maximum horsepower but refuses to compromise on the quality of what goes under the hood, the 355 Enforcer delivers a premium, purpose-built alternative to the ordinary crate engine.
EXPECT RESPONSIVE STREET PERFORMANCE, EXCELLENT DRIVABILITY, PROVEN SMALL BLOCK CHARACTER, AND THE CONFIDENCE OF AN ALL-NEW AFTERMARKET FOUNDATION BUILT FOR YEARS OF DEPENDABLE SERVICE.
Starting out at $10,500
Typical investment varies based on component options, and customer-selected upgrades.Estimated power
375-425HP
Operating Range
Stage 1: 1600-5400
Stage 2: 1900-5600
Stage 3: 2200-5800
Stage 4: 2500-6000
Fuel Requirement
87-93 Octane Pump Gas
Four established camshaft stages are available as starting points, with custom selections tailored to your desired performance and driving characteristics.
Quick Look
Powerband Tailored to Your Camshaft Selection
10:1 Compression Ratio Standard (Can be Altered by Request)
Heavy-Duty 4-Bolt Aftermarket Engine Block
One-Piece Rear Main Seal
Eagle 9000 Series 3.480" Stroke Crankshaft
5.700" Forged Steel I-Beam Connecting Rods
Hypereutectic Coated Flat-Top Pistons
Premium Plasma-Moly Piston Rings
AFR Aluminum Cylinder Heads
Custom Hydraulic Roller Camshaft & Johnson Hydraulic Roller Lifters
LPC Billet 9-Way Adjustable Double Roller Timing Set w/ Torrington Bearing
Melling Performance Oiling System
5-Quart Performance Oil Pan
AFR Air-Gap Dual Plane Intake Manifold
Stainless Roller Rocker Arms
.080 Wall Hardened One-Piece Custom-Length Pushrods
HEI Distributor with Melonized Gear
NGK Spark Plugs & Performance Plug Wires
Premium Aluminum Valve Covers
Recommended 91+ Octane
BUILT AROUND YOUR VISION
Our advertised engine packages serve as carefully developed foundations, not limitations on what your engine can become.
Every combination can be tailored to your specific application, whether you're looking for a dependable street cruiser with smooth, responsive power or an aggressive performance engine built for serious horsepower.
From compression ratio and camshaft selection to cylinder heads, valvetrain components, and overall operating characteristics, each engine is configured around your performance goals, driving preferences, and intended use.
Your engine should be built around what you want to accomplish, not restricted to a predetermined combination.
Our packages provide a starting point. The finished engine is built for you.
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.