Aluminum 351W; 427CI Stage II (565 HP)

  • Sale
  • Regular price $35,279.99

427 Cubic Inches with 565 Horsepower and 550 lbs/ft of Torque. It starts with a Shelby Aluminum 356 T6 CNC machined Windsor block cast with the Shelby logo.

Each of our complete engines are numbered with a Shelby CSX number and includes the option to match numbers with your Shelby Cobra CSX number. 


  • Shelby/AFR 205 aluminum heads with Shelby logo and etched signature
  • Mahle 4032 alloy power pack pistons (piston pins do not intersect oil ring)
  • Aluminum rocker arms with roller tips
  • 4.0” stroker crank, 4340 forged steel, internally balanced 
  • 6.250” H-beam rods, 4340 steel with 8740 7/16” cap screws
  • Hydraulic roller cam with hydraulic roller lifters
  • Cloyes premium billet gears
  • Aluminum timing cover and high flow aluminum water pump
  • SFI approved balancer
  • Mechanical fuel pump and high volume oil pump
  • Holley carburetor (750 for Stage 1, 850 for Stage 2, 950 for Stage 3)
  • MSD high output, breakerless distributor and high output coil
  • Billet aluminum pulley and bracket systems
  • Shelby signature aluminum valve covers with black crinkle finish
  • 8 qt. oil pan (customer to advise vehicle application) 
  • These engines can be tailored to your specific application
WARNING: Cancer and Reproductive Harm –