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

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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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CamshaftConnecting RodsCrankshaftCylinder HeadsValve Size


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


Top Speed7000 rpm Max Engine Speed


Engine | Bore101.6 mm
Engine | Compression Ratio11:1
Engine | Displacement427 cu. in. (7.0 L)
Engine | Power570 hp @ 6200 rpm
Engine | Stroke92 mm
Engine | Torque540 lb-ft @ 4800 rpm
Engine | TypeLS-Series Small-Block V-8


EAN Code19420191
Made InUSA
Model NameHydraulic roller type (P/N 19419859)Forged titanium (P/N 12661677)Forged steel (P/N 12611649)CNC-ported LS7-style ports with 70 cc combustion chambers2.200" titanium intake, 1.610" sodium-filled exhaust

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