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#227BPP12110359
$4,799.99
/each
Factory Shipped
Quantity
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Universal Fit, 4.125" Bore Size, Cast Iron, No
| MFG. Part # | BPP12110359 |
| Brand | BluePrint Engines |
| Main Journal Style | LS mains |
| Deck Height | 9.240" |
| Material Type | Cast Iron |
Made to Order
This custom item will ship when completed
Truck Shipment
Truck shipments must be pre-paid with a credit card, certified check or money order
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855.313.9176Quick and Easy Returns
Return PolicyWhen your LS build demands serious displacement, you need a block that’s engineered to go the distance—and this LS-compatible foundation is built to stretch all the way to an impressive 468 cubic inches. With reinforced architecture, thick cylinder walls, and precision-machined surfaces, it delivers the rigidity and reliability needed for high-horsepower, high-rpm combinations. Whether you’re assembling a torque-rich street monster, a boosted track bruiser, or a no-compromise stroker setup, this block gives you the headroom and confidence to push your LS platform far beyond stock limits. Big inches, big power, and rock-solid dependability start right here.
Cylinder Bore (Rough):
4.120" to 4.122"
Cylinder Bore (Max):
4.185"
Cam Bearings:
Dura-Bond CH-25
Cam Bearing Bore ID:
#1 & 5: 2.3482±.0005", #2 & 4: 2.3285±.0005", # 3: 2.3088±.0005" w/ stock available to bore up to 2.362" (60mm)
Camshaft Position:
Stock OEM position - 4.885" to Crank
Cam Drive / Timing Set:
Accepts OEM style
Cam Retaining Plate:
BluePrint Engines P/N:18111370
Cubic Inch (Max):
468 in3
Cylinder Wall Thickness:
.210" @ 4.185" Bore
Cylinder Skirt Length:
5.750"
Deck Height:
9.240" +.005/-.000"
Deck Thickness:
.600"
Freeze / Core Plugs:
1 5/8" dia, BluePrint Engines p/n: 10110016 (Qty 8)
Head Bolt / Stud:
4 Per Cylinder
Head Bolt / Stud Threads:
M11 x 2.0 2.36" Deep (+M8 uppers)
Lifter Bores:
.8437 ±.0005"
Lifter Retainer (If not using tie bar lifters):
BPE and LSX
Main Bearing Bore (Line Honed):
2.7509 / 2.7514"
Main Bearing Caps:
Billet Steel, OEM Style, 6 Bolts Per Cap
Main Cap Bolts:
Inner: M10 x 102mm, Outer: M10 x 84mm (stud), Skirt: M8 x 24mm
Main Fastener Tensile Strength:
180,000 to 210,000 PSI
Material (Block):
EN-GJL-250 Iron
Oil System:
Priority Main Oiling System w/ Center Crossover
Oil Pump:
OEM
Oil Filter:
OEM (in Oil Pan)
Oil Pan:
OEM
Oil Gallery Plug / Barbell / Dogbone (rear):
OEM
Piston Oilers / Squirters:
No
Rear Main Seal:
Accepts OEM Style Rear Cover
Starter:
OEM, Passenger Side Only
Stroke (Max):
4.250"
Timing Cover:
OEM
Valley Cover:
OEM
AFM/DOD Compatible:
No
Approx. Weight with Main Caps:
220-240lbs
For race/ off road use or for use on pre-1966 vehicles.
| KEY SPECS | |
|---|---|
| MFG. Part # | BPP12110359 |
| Brand | BluePrint Engines |
| Main Journal Style | LS mains |
| Deck Height | 9.240" |
| Material Type | Cast Iron |
| GENERAL | |
| Bore Size | 4.125" |
| Sold in Quantity | Each |
| Freeze Plugs Included | No |
| Cam Bearings Included | No |
| Weight | 240 lbs. |
| Finished Cylinder Bores | No |
| Main Bearings Included | No |
| Main Bolt Style | 6-bolt |
| Main Cap Fasteners Included | Yes |
| Main Cap Material | Billet Steel |
| Main Caps Included | Yes |
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