We are pleased to announce the addition of heavy duty long block 6.5 GM Diesel engines to our inventory.

This premium 6.5 long block features a New cylinder block that has a 25% tensile strength improvement due to:


  • “Molly” enhanced material alloys
  • Taller and wider main bearing caps
  • improved head bolt boss
  • Optimized piston oil spray system and each
  • block is CNC machined for world class
  • accuracy and fit
  • New cylinder heads which are redesigned with
  • improved cooling passages and hardened valve seats.
65 diesel Engine
*Engine sold is not as shown

This engine is sold with a

* Guaranteed CORE CHARGE & ONE year, unlimited kilometer warranty.

* To qualify for a guaranteed core credit, a like model complete core, with a rebuildable crankshaft and con-rods, (regardless of cracks to the block or cylinder heads), must be returned for inspection. A charge-back will apply against crankshafts and con-rods deemed un- rebuildable (contact order desk for chargeback schedule).