"Maverick Series" 515 HP
(Stage 5)

CAD $13,495

This Chevy 383 stroker package isn’t for the faint of heart!

With an extremely aggressive exhaust note and a choppy/thundering idle, you are sure to get a rush and grab everyone’s attention.

This is the baddest small block in our lineup and it’s loaded with premium, brand name “go fast” parts.

Whether you want to be the king of the street, steal the show, or dominate the quarter mile, the Maverick is the engine for you.

383 Stroker Engine with 515 HP

Engine Overview


Key Notes

  • 515 hp / 515 ft/lbs torque
  • 383 cubic inch/6.0L
  • Bore x stroke: 4.031 x 3.750
  • 10.7:1 compression
  • Recommended 94 octane fuel
  • Extremely aggressive exhaust note
  • Minimal vacuum (vacuum pump may be required)
  • Strong top end power ideally suited for light weight vehicle
  • 3.55 rear end ratio or higher recommended
  • Power band 3000-6200rpm
  • Rev limit: 6600rpm

Dyno Results

Dyno Graph Results for Chevy Stage 5 showing peak torque of 515TQ and peak horsepower of 528HP


  • GM 1 piece rear main seal block
  • Passenger side dipstick
  • Precision bored within .0002”
  • Torque plate honed
  • Square decked with ultra-smooth surface finish
  • Brass freeze plugs installed

Rotating Assembly

  • Eagle Specialty Products steel crankshaft
  • Eagle Specialty Products forged Connecting rods with 3/8 ARP cap screws
  • Mahle forged pistons
  • Hastings moly rings
  • Cloyes Performance timing set
  • Comp Cams Custom roller camshaft
  • Comp Cams hardened pushrods
  • Melling roller lifters

Cylinder Heads

  • AFR Aluminum Cylinder Heads
    • 195cc/66cc combustion chamber
    • 2.02” stainless steel intake valves, 1.60” stainless steel exhaust valves
    • Dual valve springs set up for precise spring pressure
  • Stainless steel roller rockers
  • Hardened keepers and retainers
  • Screw in studs with guide plates


  • Edelbrock performer RPM air gap manifold
  • Quickfuel 750cfm carburetor, mechanical secondary with electric choke
  • Billet HEI distributor
  • Stainless matching hardware throughout engine

Other Options

We are happy to accomodate any choices in block paint colour and spark plug wire colour at no extra cost. Our crate engines also include the choice of chrome or black tinware (valve covers and air cleaner).

Please feel free to contact us for pricing on other choices for aftermarket valve covers and other accessories!

Start your Stage 5 build today!

More Engines

What is included with our crate engines?

Our base engine packages include the following items:
  • Long Block Assembly
  • Timing Cover
  • Intake Manifold
  • Air Cleaner
  • Harmonic Dampener Bolt
  • Distributor
  • Spark Plugs
  • Engine Oil
  • Engine Lift Plate
  • Oil Pan
  • Valve Covers (chrome/painted included in price)
  • Carburetor & Gasket
  • Harmonic Dampener (Balancer)
  • Flexplate (or flywheel at additional cost)
  • Spark Plug Wires
  • Oil Filter
  • Exhaust Gaskets

We also offer an optional completion kit, if you don't have these parts from your old engine:
  • Water Pump
  • Power Steering Pump
  • Billet Aluminum V-Belt Pulley Set
  • V-Belts
  • Fuel Pump
  • Billet Dipstick
  • PCV Valve
  • Alternator
  • High Torque Mini Starter
  • Accessory Brackets & Hardware
  • Fuel Pump Pushrod & Spacer Plate
  • Carb Fuel Feed Line
  • Valve Cover Breather
  • Flywheel/Flexplate Bolts

Below are additional parts that may be required. Please contact us if you have any questions concerning compatability with your new engine. We are able to provide direct fit headers or exhaust manifolds for almost all applications, as well as upgraded transmissions, clutch kits, and torque converters.
  • Thermostat Housing
  • Headers
  • Torque Converter
  • Clutch Kit
  • PCV Valve
  • Valve Cover Breather
  • Throttle Linkage
  • Radiator Fan
  • Fuel Injection
  • Thermostat
  • Header Bolts
  • Torque Converter Bolts
  • Pressure Plate Bolts
  • Vacuum (distributor, booster, PCV)
  • Intake Manifold fittings (heater core)
  • Aluminum Radiator
  • Transmission