GM Performance Engine Block, Aluminum, 4-Bolt Mains, 4.117 a 4.135 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each (PART #GMP-10134400)

GM Performance 400 aluminum bare race blocks provide the groundwork for a successful high performance build. These GM 400 bare blocks offer competition-level strength and performance as well as less weight to improve your chassis dynamics. Built for dry sump use from super-duty A-356 aluminum, these blocks are CNC-machined with siamesed bores, splayed 4-bolt steel mains, enlarged cam bosses and a priority main oiling system to handle big horsepower--more than 800 hp! GM Performance race blocks can make ideal starting platform for your high performance powerhouse. You've dreamed about it and GM Performance will help build it with their 400 aluminum bare race blocks.

SPECIFICATIONS
Brand GM Performance
Manufacturer's Part Number 10134400
Part Type Engines, Bare Blocks
Product Line GM Performance 400 Aluminum Bare Race Blocks
Main Journal Type Chevy 400
Engine Block Material Aluminum
Engine Block Style Aftermarket
Engine Block Deck Height Standard deck
Deck Height (in.) 9.025 in.
Cylinder Bore as Shipped 4.117 in.
Cylinder Bore Diameter 4.135 in.
Maximum Bore Diameter (in.) 4.135
Camshaft Location Standard
Engine Block Weight (lbs.) 89 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
Remanufactured No
Quantity Sold individually.
Notes Requires 2 in. diameter camshaft bearings.

More From This Category