GMP-LSX4544L85E - Pace Exclusive LSX 454 585HP & 4L85E Combo Package
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
Pace Exclusive LSX 454 585HP with LS7 EFI Crate EnginePace Performance is breaking new ground with the launch of the new Connect-and-Cruise crate powertrain systems. They’re factory-engineered engine-and-transmission combinations that include all the electronic control modules, wiring harnesses and other key components you need with the simplicity of one part number. Our engineers matched the engines and transmissions for optimal performance and durability, so you can wring out all the horsepower from them with total confidence. The specially calibrated controllers are designed for retrofit installation in older vehicles, for easier and quicker installation and operation, without the need for third-party tuning. Each one comes with an installation kit, including flexplates, covers and other important components to keep typical mid-project parts chasing to a minimum.
An engine with 454 cubic inches will always be associated with higher performance Chevys, and that tradition continues with the all new LSX454 crate engine. We started with the new LSX bowtie block, stuffed it with an all-forged, super tough rotating assembly, and bolted on a pair of new GM deep breathing LSX six-bolt cylinder heads.
The new LSX six bolt cylinder heads are based on the race-derived LS7 heads that help deliver more than 500 horsepower in the Corvette Z06. They enable tremendous low end torque and great high RPM power. The Pace LSX 454 is delivered fully assembled with engine controller and harness. It also comes dressed with great looking, all new orange powder-coated valve covers with "LSX 454" logos engraved and painted in black.
Keeping with the LS tradition, this LSX454 requires no more space under the hood than production LS engines.
Note: this engine has the ignition coils mounted on the valve covers.
Power: 585 HP @ 6300 RPM, 570 ft. lbs. of torque @ 4700 RPM
Displacement: 454 CID, 7.4L
Bore x Stroke: 4.185” x 4.125”
Compression Ratio: 11:1
Recommended Fuel: 92 Octane
Block: LSX Cast Iron with 6 bolt cross bolted main caps
Crankshaft: 4340 Forged Steel, with 8 bolt flange
Connecting Rods: 4340 Forged Steel
Pistons: Forged Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .635” Intake / .635” exhaust
Cam Duration @ .050”: 236 deg. Intake / 246 deg. Exhaust
Lobe Separation: 110 Deg
Cylinder Heads: Aluminum LSX LS7 Rectangular style ports
Combustion Chamber: 70cc
Valves: 2.200” Intake/ 1.610” Exhaust
Rocker Arms: Cast Roller Trunion, 1.8:1 Ratio
Maximum GM Recommended RPM: 6500
Engine and Trans Combo Package Includes:
• Fully GM assembled long block
• Harmonic Balancer
• Front timing cover
• Holley Retro-Fit Oil Pan
• Oil Dipstick and Tube
• Chevrolet Performance pre-programmed engine controller and harness
• Ignition Coils & Custom Coil Brackets
• Spark Plugs, Wires & Looms
• Complete Production LS7 Intake with Injectors & Throttle Body
• New GM Water Pump
• Chevy Performance 4L85E Transmission
• Chevy Performance SuperMatic Torque Converter
• Chevy Performance Trans Controller
• Chevy Performance 4L85E Trans Installation & Hardware Package
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.
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Carbureted LSX454 Crate Engine
LSX454 Long Block
LS Serpentine Accessory Drive Systems and Components
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- 500.0 lbs.
- FREE 48 State Shipping
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