LSX454 Production Block


  • 4.185″ bore
  • 9.240″ deck height
  • Fully CNC machined
  • Billet steel main caps


Shipping is free, but there is a delivery fee for residential addresses.

SKU: 19417353 Categories: , ,

LSX454 Finished Block

P/N 19417353

4.185″ bore
– Fully CNC machined
– Deck plate honed
– Align-honed main bearings
– Deck height 9.240″ (production)
– Billet-steel main caps
– Includes all hardware
– Used in LSX454 crate engine

LSX blocks include the following:

  • 19244460 Cam Thrust Plate
  • 19166179 Rear Cover
  • 19166182 Tappet Guides

Other service parts for your LSX:

  • 19166178 Cam Thrust Plate, O-Ring. Gasket
  • 19166180 Rear Cover, O-Ring
  • 19166181 Rear Cover, O-Ring Seal
  • 19211434 Main Cap Dowel (10-piece kit)
Weight 110 lbs

LSX454 Finished Block

19417353 Chevrolet Cylinder Block

LSX finished blocks are completely machined and are ready for assembly. Save time and money.


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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to