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Petty's Garage Dodge Mopar Gen 3 HEMI 6.4L to 448 CID Stroker Long Block Assembly

Gen 3 HEMI 6.4L to 448 CID Forged Stroker Long Block - 448 CID


Gen 3 HEMI 6.4L to 448 CID Forged Stroker Long Block

Petty’s Garage has a complete lineup of performance HEMI engines all made in house in our state-of-the-art engine facility. Everything is precision machined on race quality engine building equipment. Our engines are built to withstand the most stressful environments imaginable. We initially test our combinations with our in-house engine dyno and calibrations staff. This ensures that our customer receive a proven engine combination that we feel comfortable putting Richard Petty’s name on.


  • Cylinder hone with deck plate to simulate engine cylinder head torque
  • Line hone
  • Validate center lines
  • Block deburr
  • Test material thickness in critical locations
  • Check deck surface
  • Complete block cleaning
  • Block painting (HEMI orange)


  • Mahle Proprietary Pistons, 2618 alloy w/gas ports
  • Forged Steel Cranksha

Shipping Information

  • Item Requires Shipping
  • 650.0 lbs.
  • W36.0000” x H36.0000” x L36.0000”
  • Free Shipping!