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Chevrolet Performance 454 C.I.D. HO Short Block Assemblies 12498778

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Engine Assembly, Short Block, Forged Crank, Forged Pistons, Chevy, Gen VI, 454 HO, Each

Estimated Ship Date: 3/9/2015 (if ordered today) Would you rather pick it up? Select Location

  • Order this item and get free delivery and handling on your entire order! Truck freight fees also waived on this item. Valid on orders shipped in the contiguous United States.

Brand: Chevrolet Performance

Manufacturer's Part Number: 12498778

Part Type: Short Block Engines

Product Line: Chevrolet Performance 454 C.I.D. HO Short Block Assemblies

Summit Racing Part Number: NAL-12498778

Rear Main Seal Style: 1-piece

Crankshaft Material: Forged 4340 steel

Piston Material: Forged aluminum

Short Block Piston Style: Flat top

Connecting Rod Material: Forged 4340 steel

Connecting Rod Beam Style: I-beam

Engine Block Material: Cast iron

Main Bolt Style: 4-bolt

Main Journal Type: 454 mains

Deck Height (in): 9.800 in.

Engine Balance: External

Oil Pan Included: Yes

Timing Cover Included: Yes

Harmonic Balancer Included: Yes

Flexplate Included: Yes

Flywheel Included: No

Assembled: Yes

Quantity: Sold individually.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Chevrolet Performance 454 c.i.d. HO short block assemblies will give your vehicle a serious power upgrade. They are the foundation for GM's 454/425 hp crate engines.

Features include:

* Gen VI 4-bolt main block with mechanical fuel pump provisions
* Fuel pump pushrod
* 1053 forged steel crankshaft, externally balanced
* Forged steel LS6/LS7 shot-peened and magnafluxed connecting rods with 7/16 in. rod bolts
* Forged aluminum pistons
* Black painted steel 6 qt. oil pan
* Black powdercoated aluminum timing cover
* 8 in. harmonic balancer
* 14 in. automatic flexplate


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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