LME 416" N/A & Nitrous Aluminum Long Block

Late Model Engines (LME)
Current Stock:
Drop-Ships Directly from Manufacturer (5-7 Week Lead Time)

Proven to make 620hp at the crank, this 11.5:1 combination offers drop in performance to your LS3 powered project. Constructed with forged internals including a 4.000" stroke Callies Compstar crank with matching Compstar 6.125" rods and custom 4.070" Wiseco pistons. LMEs in-house CNC porting provides all necessary air flow you need and rigorous enough to handle a potent shot of Nitrous for a little more fun at the track. (Shipping covers delivery to most areas but is subject to change)

Displacement: 416” Bore: 4.070”
Power Output (HP): 620HP Stroke: 4.000”
Compression Ratio: 11.5:1 Camshaft Type: Hydraulic Roller
Max RPM: 7200 Oil System Type: Wet Sump
Port Configuration: LS3 Fuel Type: 91-93 Octane Gasoline


Block: GM LS3 Aluminum Timing Chain: Roll Master Double Roller w/Billet Gears & Torrington Bearing
Crankshaft: Callies 4340 Compstar Crankshaft w/ LME Blueprinting Lifters: GM LS7 Hyd. Roller Lifters w/ GM Lifter Trays
Connecting Rods: Callies Compstar H-Beam w/ ARP 2000 7/16" Bolts Push Rods: Manley One Piece Chromoly 5/16" x .080” Wall
Pistons: Wiseco Forged Nitrous w/ Gas Ports Rocker Arms: GM LS3 w/ Trunion Modification 
Wrist Pins: Tool Steel Head Studs: ARP Bolts
Ring Pack: NPR Stainless Top (for high heat applications) Napier Second, 3mm Oil Head Gaskets: GM LS9 MLS
Bearings: Clevite H-Series Main & Rod, Dura Bond One Piece Cam Bearings Oil Pump: Melling HP Ported
Main Studs: ARP Main Studs Timing Cover: GM LS2 Front  w/ Seal and Cam Sensor
Cylinder Heads:

LME CNC Ported & Prepared GM LS3

365 CFM Int. / 274 CFM Exh. 

Valley Cover: GM LS2 

2.165" GM Hollow Stem Intake

1.600" Rev Stainless Exhaust

Oil Pan: Select From Options
Valve Springs: BTR Platnum Polished Dual Valve Springs, Titanium Retainers Rear Cover: GM LS2
Camshaft: LME/Cam Motion Custom Billet Core  Balancer: Power Bond SFI w/ ARP Bolt