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Chevrolet LS427/570 Crate Engine (7.0L OHV V8 Small Block)

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Photo 0of Chevrolet LS427/570 Crate Engine (7.0L OHV V8 Small Block)

Product Overview

The Chevrelot Performance LS427/570 create engine is an enhanced version of the production LS7 7.0L engine with an increase of 65 hp (to 570) of power and 70 lb-ft of torque (to 540).
A new, high-lift camshaft developed specifically for this engine and a new wet-sump oiling system that is easier to install compared to the production LS7's dry-sump system are the highlights.

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Specifications

Variants:
Camshaft
Connecting Rods
Crankshaft
Cylinder Heads
Valve Size

Construction

Material
Cast aluminum block with 6-bolt, cross-bolted main caps (P/N 12602689) | Hypereutectic aluminum Pistons | Investment-cast, roller-bearing trunnion Rocker Arms

Performance

Top Speed
7000 rpm Max Engine Speed

Powertrain

Engine | Bore
101.6 mm
Engine | Compression Ratio
11:1
Engine | Displacement
427 cu. in. (7.0 L)
Engine | Power
570 hp @ 6200 rpm
Engine | Stroke
92 mm
Engine | Torque
540 lb-ft @ 4800 rpm
Engine | Type
LS-Series Small-Block V-8

Production

Debut
2020-06-12
EAN Code
19420191
Made In
USA
CamshaftModel Name
Hydraulic roller type (P/N 19419859)
Connecting RodsModel Name
Forged titanium (P/N 12661677)
CrankshaftModel Name
Forged steel (P/N 12611649)
Cylinder HeadsModel Name
CNC-ported LS7-style ports with 70 cc combustion chambers
Valve SizeModel Name
2.200" titanium intake, 1.610" sodium-filled exhaust

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