Xcalliber Performance PTO Cover Set, 2001-2019 LB7/LLY/LBZ/LMM/LML/L5P

Part# 6774322-X


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P

Increase oiling to the C3 clutches on your Allison 1000 transmission with Xcalliber PTO covers.


  • Redirects more oil to C3 clutch pack
  • Billet aluminum


  • 1x Driver side PTO cover
  • 1x Passenger side PTO cover


  • Covers require transmission case to be drilled while completely disassembled for oiling hole locations
  • Xcalliber JIG is REQUIRED to properly locate oiling hole locations