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Chevrolet Performance SB2.2 Engine Blocks 12480097

Chevrolet Performance 12480097 - Chevrolet Performance SB2.2 Engine Blocks

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Engine Block, Cast Iron, 4-Bolt NASCAR Block Mains, 4.116- 4.185 in.Diameter Bore, Chevy, Small Block, Each

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

Estimated Ship Date: 10/17/2014 (if ordered today) Would you rather pick it up? Select Location

Manufacturer's Part Number: 12480097
Summit Racing Part Number: NAL-12480097

Main Journal Type: 283 mains
Engine Block Style: Aftermarket
Deck Height (in): 9.025 in.
Cylinder Bore as Shipped: 4.116 in.
Cylinder Bore Diameter: 4.185 in.
Engine Block Material: Cast iron
Engine Block Weight (lbs): 192 lbs.
Main Bolt Style: 4-bolt
Main Caps Included: Yes
Main Cap Material: Steel
Main Cap Fasteners Included: Yes
Main Bearings Included: No
Rear Main Seal Style: 2-piece
Finished Cylinder Bores: No
Raised Cam Location: No
Cam Bearings Included: No
Freeze Plugs Included: No
Quantity: Sold individually.
Notes: Machined for 58mm roller cam bearings, 0.875 in. lifter bores
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Only Chevrolet Performance can offer you such a huge selection of race blocks that have been precision CNC-machined with tighter tolerances than their Bowtie blocks. These Chevrolet Performance SB2.2 engine blocks feature full race prep machining, 4-bolt splayed main caps, and the very highest-grade materials throughout.

Additional features include:

* Blueprinted cylinder decks, front and rear of case; oil pan rail surfaces and head dowel pins are blueprinted
* Camshaft bosses are enlarged to allow machining for the use of larger cam bearings
* Extra-thick main bearing bulkhead machined at 5 degrees
* Premium-quality studs and SAE 8620 steel main bearing caps
* Billet wet sump rear main cap can be adapted to dry sump with plugs
* Bearing cap inner bolts are spread .210 in. to allow machining for the use of 400 journal crankshafts
* Priority main oil system
* Two-piece rear main crankshaft and pre-1986 oil pan rail
* Extra-thick deck surfaces with blind-tapped head bolt holes for improved head gasket sealing
* Sonic bore test data sheet
* Oil dipstick holes are not drilled


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

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