The same high quality parts we use in our Smeding LS engines, now available in a balanced rotating kit! Start by selecting how much horsepower you plan to make, followed by your engine block's bore diameter, what stroke crankshaft you want, and then your desired piston volume! All rotating assemblies come with coated tri-metal race main & rod bearings, and the correct piston rings for your horsepower goals. The crankshaft will be digitally spun balanced to the weight of the components, on...

The same high quality parts we use in our Smeding LS engines, now available in a balanced rotating kit! Start by selecting how much horsepower you plan to make, followed by your engine block's bore diameter, what stroke crankshaft you want, and then your desired piston volume! All rotating assemblies come with coated tri-metal race main & rod bearings, and the correct piston rings for your horsepower goals. The crankshaft will be digitally spun balanced to the weight of the components, on...

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***This is a hidden product used with the Product Options application, Please do not delete this product.***

***This is a hidden product used with the Product Options application, Please do not delete this product.***

***This is a hidden product used with the Product Options application, Please do not delete this product.***

***This is a hidden product used with the Product Options application, Please do not delete this product.***

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...

Utilizing a big bore engine block and a medium stroke forged crankshaft, this engine loves to rev! Using only top of the line components like a fully forged rotating assembly, hydraulic roller camshaft and aluminum heads, the 406" Eliminator is the engine your car needs. Check out our custom options and packages below to find your perfect combination! Block: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External ...

Utilizing a big bore engine block and a medium stroke forged crankshaft, this engine loves to rev! Using only top of the line components like a fully forged rotating assembly, hydraulic roller camshaft and aluminum heads, the 406" Long Block is the engine your car needs. Check out our custom options and packages below to find your perfect combination! Block: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External B...

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: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800" StrokeRods: Smeding 5140 Forged Steel I-Beam with 3/8" Bolts, 5.700" LengthPistons: JE Custom 2618 Forged Aluminum, 18cc Dish, Coated SkirtsRings: Stainless Steel Top, Napier 2nd, Low Friction Oil, 1.2/1.2/3.0Compression Ratio: 10.0:1 w/ 64cc Heads, 9.3:1 w/ 72cc HeadsWarranty: 3 Year, Unlimited Miles Camshaft Kit includes camshaft, hydr...

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 F...

Designed for the modern Hot-Rodder looking for a complete, turnkey drop-in LS engine package! This engine comes with a low-profile hot rod swap oil pan, that fits all classic chassis. The EFI System is the Edelbrock Pro-Flo 4 kit, which includes a sequential port injection manifold. This greatly boosts the efficiency and drivability of the engine compared to traditional throttle body injected systems. It is also very easy to wire into your vehicle. The harness is labeled very nicely, and in o...

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 Forged ...