383" Hot Rod 420hp

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  • Regular price $5,395.00



Do you want muscle under your hood and driveability too? Here it is, the 383" Hot Rod. Featuring a broad power range that is excellent for all cars and trucks, even those with automatic overdrives, the 383" Hot Rod also has the exhaust tone that has a lope to it for that hot rod sound. Good for every day cruising, and hot rodding too. With a wide range of available options, you can customize it to your liking. And like all Smeding Performance engines, it is broken-in, calibrated, and tested for power output on our in-house dyno, assuring you of maximum performance and reliability with no leaks.

Block: New GM 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal
Crankshaft: 4340 Forged 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, Graphite Coated
Rings: Plasma-Moly Top, Low Friction Oil, 5/64" x 5/64" x 3/16"
Camshaft: Custom Hydraulic Roller, .495”/.502” Lift, 220°/224° Duration @ .050”
Rocker Arms: Smeding 1.5 Ratio, 3/8" Stud, Full-Roller
Intake: Edelbrock Performer EPS, Dual Plane
Cylinder Heads: Smeding Aluminum, 180cc Intake Port, 2.02"/1.60" Valves, 65cc Chambers
Warranty: 3 Year, Unlimited Miles

Torque Converter: 2,000-2,400rpm Stall Required

Polish Package includes polished cylinder heads, polished intake manifold, polished timing cover & all stainless bolts.

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.