LT1/LT4 377" 1000HP Short Block
Available Qty: 1
$9,750.00Starting with a tried and true GM LT4 crankshaft we will balance the rotating assembly to spec, after this, we open up the bores to 4.070" and fill the block with custom forged Mahle pistons that feature strutted pin bosses, thick top ring land, and coated skirts. Next, we connect the two using 6.125" Callies Compstar H-beam rods and .200" wall heavy-duty wrist pins. This proven combo will support 4 digit horsepower numbers in your LT powered ride while retaining the factory piston oil squirters.
Displacement: | 377" | Bore: | 4.070" |
Proven Power Rating: | 1000 HP | Stroke: | 3.622" |
Compression Ratio: | 10.5:1 w/ 64cc Chamber | Rod Length | 6.125" |
Cylinder Head Compatibility: | LT4, LT1 | Oil System Type: | Wet |
Block: | GM LT4 6.2L Aluminum |
Crankshaft: | GM LT4 |
Connecting Rods: | Callies Compstar Rods |
Pistons: | Mahle Forged With Upgraded Pins |
Wrist Pins: | Tool Steel Heavy Wall .200" |
Ring Pack: | NPR Stainless Top (for high heat applications) Napier Second, 3mm Oil |
Bearings: | Clevite H Series Mains & Rods |
Main Studs: | ARP |
***CORE EXCHANGE SHIPPING: LME is happy to assist you in shipping your block and crankshaft cores to help you save money. Exchanging your block & crank cores helps reduce the overall engine build cost without sacrificing quality. We can have your existing shortblock picked up at a location convenient for you.
LME Standard Shortblock Blueprinting Process:
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