Chevrolet Performance LS427/570 Crate Engine – Upgraded 570 HP Wet-Sump Edition

Chevrolet Performance LS427/570 Crate Engine
The
LS427/570
is an upgraded LS7-based 7.0L V8 developed by Chevrolet Performance for high-performance and competition applications. It combines LS7 architecture with a higher-lift hydraulic roller camshaft and a
wet-sump oiling system
.
The engine produces
570 HP at 6,200 RPM and 540 lb-ft of torque at 4,800 RPM
. The wet-sump design eliminates the separate oil tank and external oil lines required by the production-based dry-sump LS7 configuration.
Key Specifications
Engine:
Chevrolet Performance LS427/570
Displacement:
7.0L / 427 cu. in.
Configuration:
Naturally aspirated V8
Horsepower:
570 HP @ 6,200 RPM
Torque:
540 lb-ft @ 4,800 RPM
Bore:
4.125″
Stroke:
4.000″
Compression:
11.0:1
Block:
Cast aluminum
Main Caps:
6-bolt, cross-bolted
Crankshaft:
Forged steel
Connecting Rods:
Forged titanium
Camshaft:
High-lift hydraulic roller
Valve Lift:
.591″ intake / .590″ exhaust
Cylinder Heads:
CNC-ported LS7-style
Oiling:
Wet sump
Maximum Recommended RPM:
7,000
Fuel:
Premium gasoline
Engine Features
The LS427/570 includes performance-focused components such as
CNC-ported cylinder heads, titanium intake valves, high-rate valve springs, LS7-style intake components and a dedicated high-performance camshaft
. Chevrolet Performance also specifies an F-body wet-sump oil pan and wet-sump oil pump.
Common Applications
Chevrolet Corvette C6 Z06-based builds
Chevrolet Camaro Z/28-based builds
Restomod vehicles
High-performance muscle cars
Track and competition vehicles
Custom LS engine swaps
Street/strip performance projects
Important:
Chevrolet Performance identifies this engine as intended for
competition use
, so customers should verify applicable emissions and registration requirements before installing it in a street-driven vehicle.
Installation Requirements
The engine may require:
LS427/570 engine controller
Wiring harness
Compatible transmission
Engine mounts
Fuel system
Cooling system
Exhaust/header system
Flywheel or flexplate appropriate to the transmission
Additional accessory components
Chevrolet Performance specifies the
LS427 Engine Controller P/N 19420000
for this engine, sold separately. The engine is also shipped with exhaust manifolds and with a flexplate/flywheel installed.