Engine

LSX 427 FI Long Block Mast Motorsports

  • Type: LSX 7.0L
  • Displacement: 427 Cubic Inches
  • Compression Ratio: 9.5:1
  • Bore x Stroke: 4.125 x 4.000
  • Rev Limit: 7000 RPM
  • Crank: Callies Forged
  • Rods: Callies H-Beam
  • Pistons: Mahle Motorsports
  • Cam: Katech custom LS9 ZR1 supercharger camshaft
  • Heads: Mast CNC LS7 Heads
  • Valve Springs: Mast Nitrided Dual
  • LSX GMPP Block
  • Plateau Honed to 4.125”
  • True Surfaced Deck
  • Engine Block Debured
  • Blueprinted Shortblock
  • ACL Rod and Crank Bearings
  • Callies 4.000” Stroked Crankshaft
  • Callies Forged H-Beam Connecting Rods
  • Custom Mahle Motorsports Pistons
  • Mast Motorsports CNC LS3 Cylinder Heads
  • Stainless Intake Valve
  • Inconel Exhaust Valve
  • ARP Head Bolts
  • ARP Main Studs
  • Cometic Headgaskets
  • Mast Custom Hydraulic Roller Cam
  • LS3 Hydraulic Roller Lifters
  • Mast Black Label Pushrods
  • Mast Nitrided Dual Valve Springs
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Oil Pressure Sensor
  • Oil Temperature Sensor
  • Engine Coolant Temperature
  • Engine Knock Sensors
  • Ignition Coils
  • Spark Plugs
  • Plug Wires