ARE you tired of that aluminum block not being enough? Want the absolute most power out of an LT? Look no further at our signature engine combination. The LTX Iron block is filled with the best Crank and Rods Callies makes, topped with some custom-made Diamond pistons that are good up to 2KHP, The short block will hold way more power than your traditional aluminum block. Pair that with the best flowing/performing LT heads in the industry and you have a great combination for high horsepower and reliability. VALVE COVERS NOT INCLUDED ADD $850 Displacement: 390” Bore: 4.070”
Power Output (HP): 1800HP Stroke: 3.750”
Compression Ratio: 10.5:1 Camshaft Type: Hydraulic Roller
Max RPM: 8000 Oil System Type: Wet or Dry Sump
Port Configuration: LT4 Fuel Type: Q16/E85
Block: GM LTX Timing Chain: C5R Single Roller
Crankshaft: Callies Magnum 8 Counterweight Crankshaft w/ LME Blueprint Lifters: Johnson lifters
Connecting Rods: Callies Ultra enforcer I-Beam rods w/ ARP 2000 7/16" Bolts Push Rods: BTR
Pistons: LME custom forged 2K HP DIAMOND Pistons Rocker Arms: GM LT4 1.8 w/ Trunion Modification
Wrist Pins: Upgraded Trend WRIST PINS Head Studs: ARP Studs
Ring Pack: Total Seal Head Gaskets: Cometic MLS
Bearings: Clevite H Series Oil Pump: GM Wet Sump or Dry Sump
Main Studs: ARP Main Studs Timing Cover:
LME BILLET

Cylinder Heads:
LME CNC Machined and prepared CID HEADS

Valley Cover: GM LT4
Valves:
LME Titanium Intake Valves

Inconel Exhaust Valves

Oil Pan: WET OR DRY
Valve Springs: BTR Platnum Polished Dual Valve Springs, Titanium Locks and Retainers Rear Cover: GM
Camshaft: COMP Balancer: ATI SFI w/ ARP Bolt