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Chevrolet Performance LSX454R 750HP/680TQ Engine


Chevrolet Performance
Chevrolet Performance LSX454R 750HP/680TQ Engine

Product images may differ from actual product appearance.

The LSX454R helps you beat the competition with over 750 HP and 680+ ft/lbs torque right out of the crate! This high performer features an all-forged rotating assembly and carries a pair of 11? 6-bolt aluminum raised port LSX-Drag Race heads. To complete this assembly, the LSX454R is delivered with an exclusive high-rise, open-plenum intake manifold and a Dominator-type carburetor. It also has powdercoated orange valve covers with "LSX454R" logo.

Specifications
  • Displacement: 7.4L 454 ci
  • Bore x Stroke: 4.185" x 4.125"
  • Block: LSX Cast Iron with 6-bolt, cross-bolted main caps
  • Crankshaft: 4340 Forged Steel
  • Crankshaft Flange: 8-Bolt
  • Connecting Rods: 4340 Forged Steel
  • Pistons: 4032 Forged Aluminum
  • Camshaft: Mechanical Roller Tappet
  • Cam Lift: .738" Intake/.738" Exhaust
  • Cam Duration @ .050": 250? Intake/270? Exhaust
  • Lobe Separation: 110?
  • Cylinder Heads: Drag Race 11? 6-Bolt Raised Port LSX Aluminum
  • Valves: 2.250" Titanium Intake/1.625" Stainless Steel Exhaust
  • Rocker Arms: Shaft Mounted with needle bearing fulcrum and tip, 1.9:1 Ratio
  • Compression Ratio: 13.1 to 1
  • Recommended Fuel: Race Fuel (110 Octane Minimum)
  • Maximum Recommended RPM: 7100
  • Reluctor: 58X
  • Balance: Internal

    Engine Includes:
  • High-rise, open-plenum aluminum intake manifold
  • Dominator carburetor
  • Harmonic Balancer
  • Orange powdercoated valve covers

    Note: Chevrolet Performance Racing Crate Engines are excluded from limited warranty


  • 1 Product

    809-19260835
    LSX454R Crate Engine
  • 750HP/680TQ
  • $19,432.99
    Order Today Ships 09/29/14

    1 Product