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Chevrolet Performance 350 C.I.D. Short Block Engines 12556121

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Engine Assembly, Short Block, Nodular Iron Crank, Dished Pistons, 4-Bolt Mains, Chevy, 5.7L/350, Each

  • This part is shipped via truck freight, additional shipping charges will apply. Multiple truck freight parts on an order may increase the shipping amount.

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Chevrolet Performance 350 C.I.D. Short Block Engines

Part Type: Short Block Engines
Manufacturer's Part Number: 12556121
Part Type: Short Block Engines
Product Line: Chevrolet Performance 350 C.I.D. Short Block Engines
Summit Racing Part Number: NAL-12556121

Rear Main Seal Style: 1-piece
Oil Pan Included: No
Timing Cover Included: No
Harmonic Balancer Included: No
Flexplate Included: No
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 350 short block engines will give you the reliability you have been looking for. They feature a cast iron 4-bolt main engine block with a one-piece rear main seal, a nodular iron crankshaft, powdered metal connecting rods, and 18cc dished aluminum pistons. The engine blocks use brass freeze plugs and have cam bearings installed, plus all factory accessory holes are predrilled.


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

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