Each Smeding 441" LS 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.

Block: Dart SHP Iron, 6 Bolt 7/16" Head Threads, 7/16" Main Bolts, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.125" Stroke, 58x
Rods: Smeding 4340 Forged Steel Pwr Adr H-Beam w/ ARP2000 Bolts, 6.125" Length
Pistons: JE 2618 Forged Aluminum, Coated Skirts, 11.6:1 Compression
Rings: Stainless Steel Top, Napier 2nd, Low Tension Oil, 1.2/1.5/3.0
Camshaft: Smeding Hydraulic Roller, .624”/.615” Lift, 245°/256° Duration @ .050”
Lifters: Gaterman Link-Bar Hydraulic Roller
Timing Set: Performance Single Roller, 4x
Oil Pump: Melling 10295 Oil Pump
Cylinder Heads: Smeding 260cc CNC Ported 11° 6 Bolt LS3 Heads
Head Gaskets: Cometic MLS 5-Layer Head Gaskets
Head Fasteners: 6 Bolt ARP Head Stud Kit
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.