Proven to make 850hp at the crank, this 14:1 combination offers drop in performance to your NA LS powered project. Constructed with forged internals including a 4.250" stroke Callies Billet crank with matching ultra billet H- Beam 6.125" rods and custom 4.185" Diamond 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. Displacement: 468" Bore: 4.185
Power Output (HP): 850HP Stroke: 4.250”
Compression Ratio: 14:1 Camshaft Type: Solid Roller
Max RPM: 9000RPM Oil System Type: Wet or dry Sump
Port Configuration: LS7 Fuel Type: C16
Block: Dart LS NEXT 2372 Timing Chain: Cloyes single roller
Crankshaft: Callies Billet 4.250" Crankshaft w/ LME Blueprinting Lifters: Morel solid roller tie bar
Connecting Rods: Callies Ultra Billet H-Beam w/ ARP fastners Push Rods: Smith Bro 9/16 taper
Pistons: Diamond 4.185 x 1.220" Rocker Arms: Crower Pro Shaft Mount.
Wrist Pins: Tool Steel Head Studs: ARP Bolts
Ring Pack: Total Seal Head Gaskets: Cometic MLX
Bearings: Clevite H-Series Main & Rod, Dart Cam Bearings Oil Pump: DAILEY 3 Stage Billet
Main Studs: Dart Main Studs Timing Cover: GM LS2 Front w/ Seal and Cam Sensor
Cylinder Heads:
Brodix BS7

Valley Cover: GM LS2
Oil Pan: optional.
Rear Cover: GM LS2
Balancer: Power Bond SFI w/ ARP Bolt