19417357 Chevrolet Performance LSX454

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Item #: 19417357
Reg. Price: $18,547.25
Our Price: $14,745.07
Quantity:
 
2 units available

 

Cancer and Reproductive Harm

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Description  more details

19417357 Chevrolet Performance LSX454 Replaces 19332316, 19355573
627 HP LSX454, An LSX with Big-Block Power! 627 HP

An LSX with Big-Block Torque!
With the LSX Bowtie block, we’ve built a 21st century 454 with our latest technology.
It’s lighter and more compact than an original Big-Block 454–and it delivers the
stunning, big-torque output you expect: 586 lb.-ft., along with 627 horsepower. Best
of all, it requires no more space under the hood than a production LS engine.
The LSX454 is filled with an all-forged, super-tough rotating assembly and features
a pair of our deep-breathing LSX six-bolt cylinder heads. It also comes dressed with
great-looking, orange powder-coated valve covers with engraved LSX454 logos.
The LSX454 valve covers do not include provisions for mounting ignition coil
brackets. Aftermarket or custom relocation brackets must be obtained. It also
includes an 8-bolt crankshaft flange that may require an adapter for use with
some transmissions.


INSTALLATION NOTES
• Assembly does not include any electronics
• Requires LS7 pattern intake manifold
• Assembly shipped without an intake manifold (see page 117)
• Requires the purchase and installation of an oil pan (see page 116)
(dust shield installed for shipment)
• Not intended for marine applications
• Requires LS/LSX Ignition Controller P/N 19355418 when using a carburetor
• LSX 8-bolt crank flange
• Requires premium fuel


TECH SPECS

Part Number: 19417357
Engine Type: LSX-Series Gen IV Small-Block V-8
Displacement (cu in): 454 (7.4L)
Bore x Stroke (in): 4.185 x 4.125 (106.3 x 104.8 mm)
Block (P/N 19260099): LSX cast iron with 6-bolt,
cross-bolted main caps
Crankshaft (P/N 19244018): 4340 forged steel with
8-bolt flange
Connecting Rods (P/N 19166964): 4340 forged steel
Pistons (P/N 19166958): Forged aluminum
Camshaft Type (P/N 19166972): Hydraulic roller

Valve Lift (in): .648 intake / .648 exhaust
Camshaft Duration (@.050 in): 236° intake / 246° exhaust
Cylinder Heads (P/N 19419193): Aluminum LSX-LS7 port; with
“as cast” 70cc chambers
Valve Size (in): 2.200 titanium intake/1.610
hollow, sodium-filled exhaust
Compression Ratio: 11.0:1
Rocker Arms (P/N 12579615 int): Investment-cast, roller trunnion
Rocker Arms (P/N 12579617 exh): Investment-cast, roller trunnion
Rocker Arm Ratio: 1.8:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 7,100
Reluctor Wheel: 58x
Balanced: Internal

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