400 Pontiac Crate Engine 450 HP With Aluminum Heads

Starting at $12,345

If you like Pontiac’s the 400 engine bock is the way to go. This is one of Doug’s favorite builds. No stock rods in this engine we use only H-Beam rods. For a built proof bottom end, we also use a 1 pc rear main seal no oil leaks here. Give Steve a call and he will be happy to help design something just for you 800-267-3940. Also, check out our Facebook page @customcrateengines


450 hp

  • ** Customer Supplied Rebuildable 400 Block **
  • Bored and honed with deck plate
  • Mains have been align honed
  • Block has been decked
  • Dura Bond cam bearings installed
  • Brass freeze plug and oil galley kit installed
  • Block painted with 3 coats of high temp ceramic engine paint customer's choice of color
  • A precision ground micro polished cast iron crankshaft
  • Performance rod and main bearing (Clevite, King or Federal Mogul)
  • Eagle H-beam connecting rods w/ARP rod bolts
  • High performance forged pistons (Speed-Pro, Keith Black, SRP, Or Mahle)
  • Performance rings hand filed to match application
  • New three piece true double roller timing set
  • Comp Cams custom ground hydraulic roller performance camshaft
  • Set of tie-bar hydraulic roller lifters
  • Edelbrock performance aluminum cylinder heads
  • A set of high performance valve springs and retainers
  • 7/16 screw in studs and hardened guide plates
  • ARP head bolts
  • Manley chrome moly push rods
  • Scorpion aluminum roller rockers
  • Engine will be assembled with all new bolts
  • High volume oil pump and screen
  • Chrome oil pan
  • Chrome dip stick and tube
  • Timing cover
  • New valley pan
  • Professional Products performance balancer
  • The complete rotating assembly will be balanced
  • Edelbrock Performer RPM intake manifold
  • Chrome thermostat housing
  • Holley Ultra HP carburetor w/ electric choke
  • Chrome air cleaner
  • MSD Pro-Billet distributor
  • MSD Blaster II coil and bracket
  • Auto-Lite spark plugs
  • Taylor 8mm ignition wires (color of choice black, red, blue, yellow, green, orange no extra charge)
  • High flow water pump
  • Chrome valve covers
  • New chrome breather
  • Fel-Pro Performance Gaskets
  • Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine
  • Your engine will be tested and tuned for optimum performance
  • 1 Year unlimited mileage warranty

Dyno Testing

Have your new crate engine Dyno tested!

Have your new crate engine Dyno tested!

Proformance Unlimited measures over 30 parameters that are monitored and logged to the computer during each engine test. A complete printout, including graphs.

We tune your engine on the dyno for maximum power. No more endless trial and error methods at the track are required. You see your results instantly! Dynamometer testing costs a fraction of what you have invested. Take the guesswork out of tuning - by dynoing !

This system includes the following items:

  • Your engine will be broken in under various load conditions
  • Tested in real world conditions through headers and mufflers
  • Precise horsepower and torque rating with graph and numerical print out
  • Induction system tuned for optimal performance
  • Dyno session video taped

Add $950

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