6-71 Rebuilt Detroit Diesel long block

6-71 Rebuilt Detroit Diesel long block. Our long blocks are professionally built in-house by Detroit Diesel certified technicians. Each long block comes with a one-year warranty. Includes a brand new cylinder head, which you will only find at Diesel Pro.

Each professionally built long-block includes the following:

• Engine Block
• Crankshaft
• Camshaft
• Gear Train
• Connecting Rods
• Cylinder Kits
• Cylinder Head
• Front and Rear End Plates