This is our most powerful Naturally Aspirated LS! This engine makes great torque and horsepower under 7,000rpm with a very stable hydraulic roller valvetrain. 

Block: Dart SHP, Billet Steel Main Caps, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.125” Stroke
Rods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.125" Length
Pistons: Forged Pistons, 11.0:1 Compression, Coated Skirts
Rings: Plasma-Moly Top, Low Friction Oil, 1.2/1.5/3.0mm
Camshaft: Smeding Custom Hydraulic Roller, .623”/.615” Lift, 245°/256° Duration @ .050”
Rocker Arms: Trunnion Upgraded GM Rocker Arms, 1.7 Ratio
Intake Manifold: Smeding Sheet Metal LS3 Manifold
Cylinder Heads: Smeding LS3 260cc Intake Port, 2.165"/1.60" Valves, 70cc Chambers
Warranty: 3 Year, Unlimited Miles

Torque Converter: 2,800-3,200rpm Stall Required

Ignition Coil Kit Includes: MSD Gen IV Black Ignition Coils, Holley Relocation Brackets, Coil Wiring Harnesses & Extension Harness & Moroso Ultra 8mm Black Unterminated Spark Plug Wires.

All of our engine packages are extremely flexible and can be customized! If there is an option you would like and do not see, please call us at 210-338-8585.