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Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 540HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
Mast Motorsports Factory Mast 550HP LS Crate Engine
$ 9,999.00

Factory Mast 540HP LS Crate Engine

+

Only 1 left in stock

Factory Mast Turn Key Crate Engine

  • IN STOCK & Crated & Ready to Ship
  • As is - no substitutions/changes

Features:

  • Factory New 6.0 Cast Iron LY6 (NOT remanufactured)
  • 544 Peak HP & 470 lbs/Ft Torque
  • Factory OE Heads (Factory Port)
  • CHE Trunnion Upgraded Rockers
  • PSI- 1511 Beehive Springs
  • Cam Swap & Cloyes Single Roller Chain
  • See Below for Cam Specs
  • Dyno Tested and Baseline Tune Complete
  • Comes with ACES ECM & Wiring Harness
  • Drive By Cable Holley Billet Throttle Body
  • Aftermarket Sheet Metal - Black Powdercoated intake
  • MAST - Black Powdercoated Cast Valve Covers
  • MAST - Plug Wires

Cam Specs

https://www.mastmotorsports.com/collections/camshafts/products/lsx-cam-100254


ECM Specs

https://acesefi.com/products/the-jackpot-ecu?variant=41594470858958