The Power Adder SBC Short Block comes standard with many features designed to handle high horsepower levels (Turbo, Blower, Nitrous)The Dual 3/16" Keyway option is highly recommended for supercharger applications. The ATI Blower Balancer has both the 3 bolt SBC pattern and the standard 2.80" Chrysler Blower Bolt Pattern & extra thick BBC Hub.  The ATI Balancer requires a matching ATI Timing Cover which accepts a BBC timing cover seal to match the Balancer's larger hub.Compression Ratio ca...

The Smeding 427" LS Short Block is offered in two different configurations! Each package is meticulously assembled with the highest attention to detail and precision. Bearing clearance & ring gaps are measured, verified and set for each application's unique demands. Two different piston volumes are available, please select a horsepower rating and then the volume option will appear. We can also assist with selecting the correct camshaft for your build and goals! Call 210-446-0960 for more ...

The Smeding 427" LS Long Block is offered in two different configurations! Each package is meticulously assembled with the highest attention to detail and precision. Bearing clearance & ring gaps are measured, verified and set for each application's unique demands. Two different piston volumes are available, please select a horsepower rating and then the volume option will appear. We can also assist with selecting the correct camshaft for your build and goals! Call 210-446-0960 for more i...

The Power Adder SBC Short Block comes standard with many features designed to handle high horsepower levels (Turbo, Blower, Nitrous)The Dual 3/16" Keyway option is highly recommended for supercharger applications.The ATI Blower Balancer has both the 3 bolt SBC pattern and the standard 2.80" Chrysler Blower Bolt Pattern & extra thick BBC Hub. The ATI Balancer requires a matching ATI Timing Cover which accepts a BBC timing cover seal to match the Balancer's larger hub. 383" Specs:Block: Sme...

The Smeding 408" LS Short Block is now available! Each engine is meticulously assembled with the highest attention to detail and precision. Bearing clearance & ring gaps are measured, verified and set for each application's unique demands. We can also assist with selecting the correct camshaft for your build and goals! Call 210-446-0960 for more information. - Picture coming soon 1000hp Rated:Block: Smeding Heavy Duty 6 Bolt Mains, 9.240" Deck Height, 4.000" BoreCrankshaft: Smeding 4340 6...

The Smeding Performance 572" Blown, for the guy that wants to be King Kong of the street, it is the biggest and baddest engine we produce. If you love the look of a polished 8-71 blower and dual-quads sticking through the hood, and that unmistakable horsepower-inducing whine of a blower, this is the engine for you. Using top quality parts, the latest in engine machining techniques, along with precision engine assembly, ensures you of being the baddest boy on the block. Checking in at 900 hors...

The Smeding 427" LS7 Short Block is offered in two different configurations! Each package is meticulously assembled with the highest attention to detail and precision. Bearing clearance & ring gaps are measured, verified and set for each application's unique demands. Two different piston volumes are available, please select a horsepower rating and then the volume option will appear. We can also assist with selecting the correct camshaft for your build and goals! Call 210-446-0960 for more...

Nothing attracts attention like a fully polished 8-71 blower poking out of the hood. With the thump of the exhaust and the whine of the blower, people will know you have arrived. This engine produces 800 tire burning horsepower and is streetable. "Tame?" give me a break, we are talking about a blown 540" cubic inch Chevy here. This engine will put you in the back of your seat and make your passengers look for something to hold on to. Block: Dart Big M Sportsman, 4.500" Bore, 9.8" Deck Height...

Block: Dart Big M Sportsman, 4.500" Bore, 9.8" Deck HeightCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.250" Stroke - Dual KeyRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.385" LengthPistons: JE 2618 Forged Aluminum, Coated Skirts, 9.0:1 Comp w/ 120cc ChambersRings: Plasma-Moly Top, Std Friction Oil, 1/16" x 1/16" x 3/16"Warranty: 3 Year, Unlimited Miles Camshaft Kit Includes: camshaft, hydraulic roller lifters, roller timing set, & thrust plate - Installed Cam S...

Block: Dart Big M Sportsman, 4.500" Bore, 9.8" Deck HeightCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.250" StrokeRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.385" LengthPistons: JE Forged Aluminum, Flat Top, 9.0:1 CompressionRings: Plasma-Moly Top, Std Friction Oil, 1/16" x 1/16" x 3/16" Camshaft: Smeding Hydraulic Roller, .614”/.614” Lift, 239°/249° Duration @ .050”Rocker Arms: Smeding 1.7 Ratio, 7/16" Stud, Full-RollerCylinder Heads: Smeding 315cc Intake Port, 2...

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...

The Power Adder SBC Short Block comes standard with many features designed to handle high horsepower levels (Turbo, Blower, Nitrous)The Dual 3/16" Keyway option is highly recommended for supercharger applications.The ATI Blower Balancer has both the 3 bolt SBC pattern and the standard 2.80" Chrysler Blower Bolt Pattern & extra thick BBC Hub. The ATI Balancer requires a matching ATI Timing Cover which accepts a BBC timing cover seal to match the Balancer's larger hub. 406" Specs:Block: Sme...

The Power Adder SBC Short Block comes standard with many features designed to handle high horsepower levels (Turbo, Blower, Nitrous)The Dual 3/16" Keyway option is highly recommended for supercharger applications. The ATI Blower Balancer has both the 3 bolt SBC pattern and the standard 2.80" Chrysler Blower Bolt Pattern & extra thick BBC Hub.  The ATI Balancer requires a matching ATI Timing Cover which accepts a BBC timing cover seal to match the Balancer's larger hub.Compression Ratio ca...

Block: Dart Big M Sportsman, 4.560" Bore, 10.200" Deck HeightCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.375" Stroke - Dual KeyRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.535" LengthPistons: JE 2618 Forged Aluminum, Coated Skirts, 9.0:1 Comp w/ 120cc ChambersRings: Plasma-Moly Top, Std Friction Oil, 1/16" x 1/16" x 3/16"Warranty: 3 Year, Unlimited Miles Camshaft Kit Includes: camshaft, hydraulic roller lifters, roller timing set, & thrust plate - Installed Ca...

Block: Dart Big M Sportsman, 4.560" Bore, 10.200" Deck HeightCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.375" StrokeRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.535" LengthPistons: JE Forged Aluminum, Flat Top, 9.0:1 CompressionRings: Plasma-Moly Top, Std Friction Oil, 1/16" x 1/16" x 3/16" Camshaft: Smeding Hydraulic Roller, .614”/.614” Lift, 253°/263° Duration @ .050”Rocker Arms: Smeding 1.7 Ratio, 7/16" Stud, Full-RollerCylinder Heads: Smeding 360cc Intake Port...

The Smeding 408" LS3 Long Block is now available! Each engine is meticulously assembled with the highest attention to detail and precision. Bearing clearance & ring gaps are measured, verified and set for each application's unique demands. We can also assist with selecting the correct camshaft for your build and goals! Call 210-446-0960 for more information. - Picture coming soon 1000hp:Block: Smeding Heavy Duty 6 Bolt Mains, 9.240" Deck Height, 4.000" BoreCrankshaft: Smeding 4340 6 Count...