383 Chevy Long Block
Upgrade your 350 Chevy to the 383 Stroker Crate Engine for better acceleration and tire burning power. Our 383 Small Block will fit directly in place of your tired out 350. It comes standard with forged pistons, a 1-piece rear seal, hydraulic roller cam, aluminum heads for the best in reliable street performance.
Fuel Type
Max RPM
Idle Quality
Best Use
| Horsepower: | 420 |
|---|---|
| Torque: | 460 |
| Bore/Stroke: | 4.030 x 3.750 |
| Compression: | 10:1 |
| Fuel Type: | Pump Gas, 93 AKI (USA) / 98 RON |
| Block: | OEM 350, 2-Bolt Gen II |
| Crankshaft: | Cast Steel |
| Rods: | I-Beam, 5140 Forged Steel |
| Pistons: | 4032 Forged Aluminum 5cc valve relief |
| Bearings: | King SI / Clevite P |
| Camshaft: | Hydraulic Roller |
|---|---|
| Heads: | Aluminum, As-Cast |
| Valves: | 2.02/1.60 |
| Rocker Arms: | Billet Aluminum, Full Roller |
| Intake: | Not Included |
| Oil Pan: | Street / Strip |
| Valve Covers: | Polished Aluminum |
| Power Adder: | N/A |
| Fuel Delivery: | Not Included |
| Ignition: | Not Included |
Dyno Testing
Here at Prestige Motorsports, our “Dyno Promise” means that we dyno test every engine we build to verify the quality of our work, the integrity of each component, and the reliability of every engine we construct. Then, we deliver the dyno results for your project directly to you, the customer.
Warranty
This Prestige Motorsports engine is built to order and comes with a 3-year, unlimited miles warranty. Our warranty covers the base engine from intake manifold to oil pan.
Comparable Engines
| Product: | Current: 383 Chevy Long Block | 383 Crate Engine | 383 Crate Engine |
|---|---|---|---|
| Horsepower: | 420 | 470 | 500 |
| Torque: | 460 | 450 | 450 |
| Best Use: | Street | Street | Street / Strip |
| Max RPM: | 6,000 | 6,000 | 6,000 |
| Idle Quality: | Lopey | Rough | Rough |
| Bore/Stroke: | 4.030 x 3.750 | 4.030 x 3.750 | 4.030 x 3.750 |
| Block: | OEM 350, 2-Bolt Gen II | 350 Chevy, Late Model | 350 Chevy, Late Model |
| Crankshaft: | Cast Steel | Cast Steel | Cast Steel |
| Rods: | I-Beam, 5140 Forged Steel | Forged I-Beam | Forged I-Beam |
| Pistons: | 4032 Forged Aluminum 5cc valve relief | Forged SRP Professional | Forged SRP Professional |
| Oil Pan: | Street / Strip | Standard Capacity, Chrome | Standard Capacity, Chrome |
| Camshaft: | Hydraulic Roller | Hydraulic Roller | Hydraulic Roller |
| Heads: | Aluminum, As-Cast | Aluminum Edelbrock E-Street | Aluminum AFR CNC |
| Intake: | Not Included | Edelbrock RPM Air Gap | Edelbrock RPM Air Gap |
| Price: | $5,899 | Starting at $5,899 | Starting at $6,499 |
Upgrades & Add-ons
Ready to upgrade your project? Add a kit from each area below to convert your base engine into a turn-key package. Kits come installed and dyno tested with your engine. Please note that not all of the options listed below are available for every engine. Contact us for more details.
Fuel Supply
Don’t waste time and frustration on that old carburetor. Fuel your engine with a dyno tested system for proven performance.
Dual Carbs, Throttle Linkage, Fuel Lines
Included on Supercharged ModelsQuick Fuel M-750
Starting at $664.95Quick Fuel Q-750
Starting at $738.95Quick Fuel SS-750
Starting at $637.95Holley Terminator EFI
Starting at $2,295.95Holley Multi-Point EFI
Contact for OptionsBorla Stack Injection
Contact for Options
Ignition System
You'll need a top-notch ignition system for trouble-free performance. Let us customize one for you with everything needed to keep the spark alive.
MSD Pro Billet System
Starting at $859.95MSD Pro Billet System with Boost Retard
Included on Supercharged Models
Pulley Kits & Accessories
Pulleys drive vital components. Let us install a high-quality kit that keeps your engine running and provides max clearance for cooling systems. Available in multiple finishes!
Alternator Only
Starting at $750.00Alt + Power Steering
Starting at $1,150.00Alt + PS + Air Conditioning
Starting at $1,750.00Style Track Alt + PS
Starting at $2,300.00Ultra Drive Alt + PS + AC
Starting at $2,300.00
