6.6 CHEVY GM STREET SERIES SPEED OF AIR LONG BLOCK (STD AUTO) 07.5-10 LMM TOPKICK Core Charge Applies plus Core Container Charge (3000) of 500 Crate charge

The DFC Diesel SS6607510LMMTKSOALBCC Street Series Long Block is an upgraded engine assembly for 2007.5-2010 GM/Chevrolet 2500HD/3500HD/Kodiak/TopKick models with a 6.6L Duramax LMM engine. It features a forged Callies crankshaft, ARP/OptiTorque head studs, and Total Seal gapless piston rings for enhanced durability and performance. This remanufactured long block includes a professionally machined block, new OEM-equivalent internal components, and rebuilt cylinder heads with new valves and seals. It is designed to replace worn-out engines and provide a stronger, more reliable foundation with a 5-year/160,000km warranty.