You've been asking for it and we delivered it.

The e-series (entry level street engine) is designed from the ground up for those who demand performance without breaking the bank. Why buy a rebuilt engine or some production line 350 when you can have a BRAND NEW 383 for nearly the same price? And do not think this is some cheapie engine, these are 100% completely new engines with quality parts like a new 4 bolt main block, hypereutectic pistons, roller cams & roller valvetrain, and built here in the USA. These engine are built with the same details Smeding Performance has become known for, QUALITY! Built using all 100% brand new parts, including the block, this engine was designed from the ground up with hot rodding in mind.

370hp/440tq or 430hp/450tq

Block: New GM 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal
Crankshaft: Cast Steel, Internal/External Balance, 3.800” Stroke
Rods: 5140 Forged Steel I-Beam with 3/8" Bolts, 5.700" Length
Pistons: Custom Hypereutectic, Reverse Dome, 9.8:1 Compression
Rings: Plasma-Moly Top, Low Friction Oil, 5/64” x 5/64” x 3/16”
370hp Camshaft: Hydraulic Roller, .490"/.490”, 218°/218° Duraiton @ .050"
430hp Camshaft: Hydraulic Roller, .490"/.490", 232°/232° Duration @ .050”
Rocker Arms: Smeding 1.5 Ratio, Full-Roller
Intake: Mid-Rise Dual Plane Intake Manifold
Cylinder Heads: Smeding Aluminum, 180cc Intake Port, 2.02"/1.60" Valves, 65cc Chambers
Warranty: 3 Year, Unlimited Miles