441" LS7 Short Block

Each Smeding 441" LS7 Short Block 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" BoreCrankshaft: Callies Compstar 8-Cwt LS7, Internal Balance, 4.125" Stroke, 58xRods: Smeding 4340 Forged Steel Pwr Adr H-Beam w/ ARP2000 Bolts, 6.125" LengthPistons: JE 2618 Forged Aluminum, Coated Skirts, 5cc Flat TopsRings: 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: Katech Blue Oil Pump, GM Rear Main Seal Cover, LS7 Front Timing Cover & LS Valley Cover - Installed Note - LS7 oil pan must be reused from previous engine. 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.