You’ve been asking—now it’s here. Introducing the Smeding Performance 406" Blown: our most powerful Small Block Chevy yet, cranking out over 700 horsepower. Built for the street and ready for the strip, this engine runs strong on pump gas anywhere in the country. Precision-assembled using top-tier Smeding Performance components, the 406" Blown combines head-turning looks with rock-solid reliability—and it's backed by our industry-leading 3-year, unlimited-mile warranty. Looking to tailor your setup? We offer a variety of accessory kits to suit your needs. Give our expert sales team a call at 210-446-0960 for more details.

Block: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800” Stroke
Rods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 5.700" Length
Pistons: JE Forged Aluminum, Reverse Dome, 9.0:1 Compression
Rings: Stainless Steel Top, Napier 2nd, Low Friction Oil, 1.2/1.2/3.0
Camshaft: Smeding Hydraulic Roller, .544”/.543” Lift, 236°/244° Duration @ .050”
Rocker Arms: Smeding 1.5 Ratio, 3/8" Stud, Full-Roller
Intake: TBS Billet High Helix 6-71 Supercharger
Cylinder Heads: Smeding Aluminum, 195cc Intake Port, 2.02"/1.60" Valves, 65cc Chambers
Warranty: 3 Year, Unlimited Miles

Torque Converter: 2,600-3,000rpm 9-10" Stall Recommended