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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

Estimated Ship Date: 3/4/2015 (if ordered today) Would you rather pick it up? Select Location

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

Brand: Chevrolet Performance

Manufacturer's Part Number: 12480097

Part Type: Engines, Bare Blocks

Product Line: Chevrolet Performance SB2.2 Engine Blocks

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.

Tool Stroker Combinations

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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