Chevrolet Performance 19318604 CT400 GM-Sealed 604 Crate Engine
Chevrolet Performance 19318604 CT400 GM-Sealed 604 Crate Engine
Chevrolet Performance Parts

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#35519318604

Chevrolet Performance 19318604 CT400 GM-Sealed 604 Crate Engine

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Key Specs

Crate Engine TypeDeluxe Crate Engine
Engine Displacement350 cu. in.
Horsepower400 horsepower
Compression Ratio9.72:1
Torque400 ft./lbs.
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Chevrolet Performance Parts 19318604 Details

Run up front with the 400-horsepower CT400 crate engine featuring GM Fast Burn heads! GM Performance Parts' Fast Burn cylinder heads are the fast way to the winner's circle – and they're standard on the 350/400 GM racing engine (often referred to as the "604 crate") from GM Performance Parts.
 
These factory-sealed 604 crate racing engines are based on the popular Fast Burn 385 street crate engine, but include a racing-only 8-quart circle track oil pan with dual kick-out design, along with a valve cover breather kit and special "kool nut" rocker arm design. The assembly also includes an open-plenum high-rise intake manifold and 1.5:1-ratio aluminum roller rockers.
 
The 604 crate engine includes a bulletproof bottom end, anchored by a forged steel crankshaft and hypereutectic pistons. The 23-degree, Fast Burn aluminum heads enable tremendous power in the small-block V-8 because of a unique chamber design that quickly and completely burns all of the air/fuel mixture – giving you maximum power. With the CT400 racing engine under the hood of your Modified or Late Model, you'll put a "fast burn" on the competition.
  • Formerly sold as Chevrolet Performance 88958604
  • High-revving matched components
  • A fraction of the price of a custom engine
  • GM-sealed for equal competition
  • Popular in Modified and Late Model classes*
  • 400 HP @ 5500 RPM
  • 400 ft. lbs. of torque @ 4500 RPM
  • 4.00" x 3.48" bore x stroke
  • 9.6:1 compression ratio
  • 92 octane recommended fuel
  • 4-bolt main caps
  • Cam lift: .474" intake / .510" exhaust
  • Cam duration @ .050": 208° intake / 221° exhaust
  • 112° lobe separation
  • 1.5:1 ratio aluminum roller rocker arms
  • 2.00" Intake / 1.55" Exhaust valves

Includes:

  • Fully assembled long block
  • Black steel valve covers w/ breathers
  • Oil pump, pick-up, 8 quart oil pan
  • Eliminator Vortec intake manifold
  • Spark plugs
  • 8" harmonic balancer
  • Front timing cover
*Check track/series rules for approved applications.
 

Warranty Information

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GM Performance Parts Racing Crate Engines are excluded from the limited warranty.

Chevrolet Performance Parts 19318604 Specifications

KEY SPECS
MFG. Part #19318604
BrandChevrolet Performance Parts
Crate Engine TypeDeluxe Crate Engine
Engine Displacement350 cu. in.
Horsepower400 horsepower
Compression Ratio9.72:1
Torque400 ft./lbs.
Camshaft TypeHydraulic Roller Tappet
Cylinder Head MaterialAluminum
Piston MaterialHypereutectic Aluminum
Crankshaft MaterialForged 4340 Steel
Camshaft Duration (.050 in)208° intake / 221° exhaust
Camshaft Lift (in).474 intake / .510 exhaust
Bore x Stroke (in)4.000" x 3.480"
Carburetor IncludedNo
Intake Manifold IncludedYes
Distributor IncludedNo
Connecting Rod MaterialPowdered Metal
Valve Covers IncludedYes
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Oil Pan IncludedYes
Timing Cover IncludedYes
Water Pump IncludedNo
Harmonic Balancer IncludedYes
Flywheel IncludedNo
Spark Plugs IncludedYes
Spark Plug Wires IncludedNo
GENERAL
Maximum RPM5800
WarrantyNone
AssembledYes
Camshaft IncludedYes
BlockCast Iron, 4 bolt main
NotesGM-sealed for competition.
Sold in QuantityEach

Questions & Answers

5 Questions • 5 Answers

iam looking for a low profile oil pan for my 604 crate engine thanks

by tim

• 8 years ago

1 answer

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What flexplate does this use?

by 62dirt

• 9 years ago

1 answer

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is this the replacement for the GM part number 88958604 crate engine ?

by curious

• 9 years ago

1 answer

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What seal does this have ? And could I use this motor in the Sweeney Rush crate late model series?

by Gman123

• 11 years ago

1 answer

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Does this have the new bee hive springs on it

by Dirtracing25

• 12 years ago

1 answer

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