1987-2002 GM 7.4L High Performance Big Block

1987-2002 GM 7.4L High Performance Big Block

PN: 454R 

 '87-'02 7.4L High Performance 385 Horsepower PN: 454R

 '87-'02 7.4L High Performance
385 Horsepower
PN: 454R

GEN VI 454 High Performance. The best way to distinguish it from other 7.4L engines is that it has rectangular port heads and a high performance camshaft. They are the same heads that are used on the 502 engines.

Engine Details »

  • Displacement: 7.4L 454 CID
  • Horsepower: 385 hp @ 5200 RPM
  • Torque: 450 lb-ft @ 4000 RPM
  • High Performance Camshaft
  • 1 Piece Rear Main Seal
  • Rectangular Port Heads

Engine Includes:

  • Oil Pan
  • Front Timing Cover
  • Harmonic Balancer
  • Valve Covers