LME LTX 427" 1400HP IRON LTX (LT1/LT4)
Our 427" Shortblock is a proven combination to get more cubic inches and power for your ride. This block will go into any C7, or 6th Gen Camaro! Trucks? Of course! Any 5.3 or L86 can be pulled out and replaced with this stout unit! This engine is set up for a forced induction application. Supercharger, turbos, procharger it doesn’t matter this engine will take it.
| Displacement: | 427" | Bore: | 4.125" |
| Proven Power Rating: | 1400 HP | Stroke: | 4.000" |
| Compression Ratio: | 10.5:1 w/ 64cc Chamber | Rod Length | 6.125" |
| Cylinder Head Compatibility: | LT1, LT4 | Oil System Type: | Wet or Dry |
| Block: | GM LT4 6.6L Iron |
| Crankshaft: | Callies 4340 Compstar 8 Counterweight w/ LME Blueprinting Process Wet Sump |
| Connecting Rods: | Callies Compstar XD (1600HP Rated)w/ARP Bolts |
| Pistons: | LME/Diamond 2K Custom Forged FI w/Gas Ports (.300" material above top ring land) |
| Wrist Pins: | Trend H-13 Tool Steel Heavy Wall .250" |
| Ring Pack: | Total Seal 1.5mm AP Stainless Top (for high heat applications) .043" Ductil Napier Second, 3mm Oil |
| Bearings: | Clevite H-Series Main & 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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