331 / 420 HP Sniper EFI Cobra Replica Engine

This 331 Stroker has a 3.250 Stroke. Great Torque gains over stock 302. Still streetable for cruising. Forged Pistons, Steel Beam Connecting Rods, Eagle Crank etc. Includes Complete plug n play Sniper Fuel Injection System. Wiring Harness, Sensors, Fuel pump, Fuel lines, ECU.  Packaged with the Billet Pulleys and Alternator. Cobra Dress Up Kit. Steel billet Flywheel for 5 Speed.

Need Custom Options? Click GET A PRICE  below.



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331 / 420 HP Sniper EFI Cobra Replica Engine

This 331 Stroker has a 3.250 Stroke. Great Torque gains over stock 302. Still street-friendly for cruising.

We are offering 331 / 420 HP Sniper EFI Cobra Replica Engine in a very competent price, please check the Product specifications and if you have any questions feel free to contact us.

  • Precision machined 302 roller block
  • Eagle cast steel 3.25 stroke crankshaft
  • Steel beam connecting rods with 190,00 psi arp bolts
  • Power forged pistons 10 to 1 compression
  • Chrome moly perfect circle piston rings
  • 3 piece steel double roller style timing chain
  • Hyd roller xtreme energy camshaft quick revving. Good torque
  • New melling oil pump and screen
  • Aluminum Performance Cylinder Heads. 60cc Combustion Chambers with Bronze Guides
  • Stainless steel swirl polished intake valves
  • Stainless steel swirl polished exhaust valves
  • Comp cams xtreme duty roller rockers
  • Hard seats for unleaded or regular fuel
  • Heavy duty 1.45 diameter valve springs, 7 degree locks
  • Heavy duty chrome moly push rods
  • Front sump 7 quart oil pan low profile with baffling
  • Timing chain cover with scale
  • Cobra black wrinkled aluminum valve covers
  • Steel billet 157 tooth standard flywheel. (works with 5 speed trans.)
  • New edelbrock performer rpm dual plane intake manifold
  • Sniper fuel injection. Includes wiring harness, sensors and integral ecu. With handheld wizard. Built in rev. Limiter
  • Billet ignition distributor w/ 45,000 volt coil
  • New thermostat housing and thermostat
  • New high volume electric fuel pump
  • High flow aluminum water pump
  • Chrome dip tube and dipstick
  • New cobra oval black air cleaner with pcv ventilation system
  • Fuel lines and gas filter
  • Hot run tested includes setting initial and full timing advance
  • Video footage shown of your engine in test stand
  • Chrome 100 amp alternator- one wire hook up
  • Complete march underdrive polished pulley set
  • Polished chrome alternator bracket
  • New serpentine belt installed and tension adjusted
  • Balanced, blue printed, assembled by ase technicians

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