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Summit Racing® Iron LS Engine Blocks SUM-150105

$749.95

$674.96

Engine Block, Cast Iron, 6-Bolt Mains, 4.030 in. Diameter Bore, Chevy, LS Gen III, 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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Brand: Summit Racing
Manufacturer's Part Number: SUM-150105
Summit Racing Part Number: SUM-150105

Main Journal Type: OEM
Engine Block Style: Stock/OEM standard deck
Deck Height (in): 9.240 in.
Cylinder Bore as Shipped: 4.030 in.
Engine Block Material: Cast iron
Main Bolt Style: 6-bolt
Main Caps Included: Yes
Main Cap Material: Cast iron
Main Cap Fasteners Included: Yes
Main Bearings Included: No
Rear Main Seal Style: 1-piece
Finished Cylinder Bores: Yes
Raised Cam Location: No
Cam Bearings Included: Yes
Freeze Plugs Included: Yes
Quantity: Sold individually.
Notes: Clearanced for up to a 4.00 in. stroke with H-beam rods.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

The LS engine design has incredible potential, but once you start bolting on big superchargers, an aluminum block just can't contain all that power. These Summit iron LS blocks have all the same potential, but the cast iron construction is capable of withstanding high horsepower applications. These seasoned blocks feature a finished 4.030 in. bore and a 9.240 in. high deck. They feature 6-bolt main caps and a 1-piece rear main seal, and include cam bearings and freeze plugs.

Warranty

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