Chevy LS 6.0L Gen IV B-4.000 M-STD DH-9.240 6-Bolt Billet Main Iron Engine Block

Brand:	Speedmaster
Part Number:	PCE286.1058.01
Part Type:	Engines, Bare Block
Cylinder Bore Diameter:	4.000 in.
Bore & Stroke:	3.622 in. x 4.000 in. Max Recommended
Cam Journal OD:	2.164 in. - 2.166 in.
Deck Height:	9.240 in.
Fuel Pump :	Electrical
Fuel Pump Pushrod:	N/A
Lifter Bores (in.):	0.843 in. - 0.844 in.
Main Bearing Size (in.):	2.558 in.-2.559 in.
Main Bearing Bore (in.):	2.750 in.-2.751 in.
Main Cap Bolts:	6 Bolt
Main Cap Press:	0.005 in.
Oil System:	Wet Sump
Oil Pan:	Standard LS
Rear Main Seal (in.):	Standard LS 4.527 in.
Starter:	Standard LS
Stud Holes, Head:	Blind Holes
Timing Chain/Gears:	Standard LS Components
Timing Cover:	Standard Cam Location LS
Weight:	205 Lbs @ 4.0 in. Bore
Quantity:	Sold individually.
Notes:	Check hood clearance before installing. No provision for Active Fuel Management

The next level of performance are these cast-iron Chevy LS blocks. Designed to look standard under your bonnet, and work with stock components. The Speedmaster block is ready for the street racer or all-out racer with added strength and cubic inches. All the factory flaws redesigned to be eliminated, while still using the water jacket design. The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks.