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Chevrolet Performance LSX454 454ci/627HP Crate Engine

Chevrolet Performance LSX454 454ci/627HP Crate Engine

$12,010.84

  • An LSX with Big-Block power
    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.
  • Super-tough
    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.
  • Standard GMPP 24-Month/50,000-Mile Crate Engine warranty applies.
  • New York Residents subject to sales tax and will be invoiced separately. Contact us for details/questions.
  • Drop ship item – contact us for current availability and shipping time.
  • FREE FREIGHT TO YOUR BUSINESS IN THE 48 CONTIGUOUS STATES
SKU: 19355573

Description

LSX454 Tech Specs

  • Part Number: 19355573
  • 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 six-bolt, cross-bolted main caps
  • Crankshaft (P/N 19244018): 4340 forged steel with eight-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.): 0.648 intake / 0.648 exhaust
  • Camshaft Duration (@0.050 in.): 236° intake / 246° exhaust
  • Cylinder Heads (P/N 19354239): Aluminum LSX-LS7 port; with “as cast” 70-cc 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, roll trunnion
  • Rocker Arms (P/N 12579617 exh): Investment-cast, roll trunnion
  • Rocker Arm Ratio: 1.8:1
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 6500
  • Reluctor Wheel: 58X
  • Balanced: Internal

Additional information

Weight899 lbs