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" 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, Coated Skirts, Tops & 0.180" Pins
Rings: Stainless Steel Top, Napier 2nd, Low Tension Oil
Camshaft: Smeding Forged Steel Hydraulic Roller
Lifters: Gaterman Link-Bar Hydraulic Roller
Timing Set: Performance Single Roller, 4x
Oil Pump: Melling Oil Pump
Cylinder Heads: Smeding CNC Ported 11° 6 Bolt LS3 Heads
Head Gaskets: Cometic MLS 5-Layer Head Gaskets
Head Fasteners: ARP Head Stud Kit - 7/16"
Pushrods: Manley Chromoly Swedged End Pushrods
Rocker Arms: GM LS3 w/ Upgraded Trunnions

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.