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" Bore
Crankshaft: Smeding 4340 6 Counterweight, Internal Balance, 4.000" Stroke, 58x
Rods: Smeding 4340 Forged Steel Pwr Adr H-Beam w/ ARP2000 Bolts, 6.125" Length
Pistons: Icon Premium 2618 Forged Aluminum, 8cc Dish, Coated Skirts & Tops
Rings: Stainless Steel Top, Napier 2nd, Low Tension Oil

Camshaft Kit Includes: Smeding Forged Camshaft, Gaterman Link-Bar Hydraulic Roller Lifters & 4x Timing Set - Installed

Sealed-Up Kit Includes: Melling 10295 Oil Pump, GM Rear Main Seal Cover, Gen IV Front Timing Cover, LS Valley Cover & Smeding Turbo Oil Pan - Installed

Final assembly & tuning of this partial engine must be completed by an experienced engine assembler/builder. Smeding Performance is not responsible for damaged caused by user installed parts.

Power Adder engines carry a 1yr workmanship guarantee.