High Performance Ford Crate Engines - Built in Canada

Viper 450HP Stroker (Stage 5)

CAD $14,495

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 Viper is the engine for you.

Key Notes:

  • 450 horsepower/ 485 Ft/lbs torque
  • 408 Cubic Inch Stroker
  • Windsor based
  • Bore and stroke: 4.030” X 4.000”
  • 9.4:1 Compression
  • Recommended 91 octane fuel
  • Works well with 2500rpm torque converter/ Manual trans
  • Strong camshaft sound at idle
  • Great horsepower and torque throughout entire RPM band
  • Power band 2800-6000 RPM
  • Rev limit: 6200 RPM

Build Specifications:


  • Durabond cam bearings
  • Align honed mains with ARP bolts
  • Precision bored and honed within .0002”
  • Square decked with ultra-smooth surface finish
  • Brass freeze plugs installed

Rotating Assembly

  • Eagle Specialty Products steel stroker crankshaft
  • Eagle Specialty Products forged connecting rods with ARP bolts
  • Keith Black hypereutectic dish top pistons with coated skirts
  • Hastings moly rings
  • Clevite tri-metal bearings
  • Cloyes timing set
  • Comp Cams performance Hydraulic roller camshaft
  • Melling oil pump
  • Manley pushrods
  • Melling roller lifters

Cylinder Heads

  • PW Aluminum cylinder heads: 60cc combustion chamber, 2.02”/1.6” stainless steel valves, Dual valve springs, screw in studs, guide plates
  • Elgin roller rockers: 1.6 ratio
  • ARP head bolts


  • Dual plane aluminum intake manifold
  • Edelbrock intake gaskets
  • Holley Quickfuel 750CFM carburetor, vacuum secondary with electric choke
  • Chrome dual fuel feed line
  • Billet HEI distributor
  • MSD/Taylor spark plug wires
  • Champion spark plugs
  • Power bond harmonic damper
  • New aluminum timing cover
  • Chrome or painted valve covers
  • Chrome or painted oil pan 
  •  matching stainless steel hardware throughout engine

 Click here to see what is included with our base packages, as well as our optional completion package.

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 painted tinware (valve covers and air cleaner).