17B Jackson St.

Freehold, NJ 07728


350 Chevy

With MSD Atomic Fuel Injection

320 Horse Power

Toll Free: 1-800-267-3940


The all new small block Chevy 350 with 320 HP EFI engine package can be custom designed to tailor to your specific needs. All engines can be custom painted to match your vehicle at your request. We can outfit your engine with the exclusive March Performance serpentine belt system.  We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.

See Below How Our Engines Out Beat Our Competitors

Engine Specification Sheet

  • New GM 4 Bolt Main Block
  • New GM 350 Crankshaft Assembled
  • GM Performance I-Beam Connecting Rods Chevy 350 Small Block
  • GM Cast Aluminum Pistons And Ring To Match
  • Three Piece True Double Roller Timing Set
  • Hand Selected Performance Cam Shaft To Achieve The Idle & Throttle Response To Customers Desire
  • (16) New Lifters
  • GM Cast Iron Cylinder Heads
  • Chrome Moly Push Rods
  • GM Rocker Arms w/1.5 Ratio
  • Engine Will Be Assembled With All Brand New Bolts
  • Oil Pump And Screen
  • Painted Oil Pan
  • Chrome Dip Stick And Tube
  • Painted Timing Cover
  • GM Harmonic Balancer
  • Set Of OEM Gaskets
  • The Complete Rotating Assembly Will Be Balanced
  • Edelbrock Aluminum Performance Intake Manifold
  • Chrome Thermostat Housing
  • MSD Atomic EFI Kit Includes:
    • Throttle Body Assembly (An exact swap for a 4150 Holley)
    • (4) port style injectors
    • EMS (Engine Management System)
    • Comprehensive Instruction Manual
    • All harnesses and connectors (Much less harnessing than other systems)
    • Idle Air Control - Built in to the throttle body
    • Coolant Temperature Sensor - 3/8-NPT threads for most manifolds
    • Throttle Position Sensor
    • Wideband O2 Sensor and cable (Many competitive units are narrowband)
  • Chrome Air Cleaner
  • MSD Pro Billet distributor (Requires MSD 6AL Ignition Control)
  • MSD Blaster II coil
  • MSD chrome bracket
  • (8) Auto-Lite Spark Plugs
  • Custom Fit Taylor 8mm Ignition Wires (Color Of Choice Black, Red, Blue, Yellow, Green, Orange No Extra Charge)
  • A Cast Iron Water Pump
  • Chrome Valve Covers
  • Chrome Breather
  • All engines will come with flex plate (for auto trans)
  • Each engine is live run tested, timing set, and Fuel Injection System adjusted And Tuned for optimum performance
  • We video tape your live run engine, and send you a copy

All of our turnkey engines come with a 1 year warranty with unlimited mileage

Turn- Key Drop In Ready Price Only $ 8,100 



Upgrade To A March Serpentine Belt Systems Below

Turn-Key Drop In Rady Small Block Chevy 350 420HP With March ALT Pulley Kit

Turn-Key Drop In Rady Small Block Chevy 350 420HP With March ALT, & PS Pulley Kit

Complete Turn-Key Drop In Ready Small Block Chevy Engine

350 325HP With March

Alternator Serpentine Kit

Add $1,000 To Base Price

350 325HP With March

Alt, & PS Serpentine Kit

Add $1,675 To Base Price

350 325HP With March

Alt, PS, & AC Serpentine Kit

Add $2,100 To Base Price


Whether your vehicle is a hot rod, street car, race car, or even a tow truck, here at Pro-formance Unlimited we are here to help design and build the combination that best suits your vehicles needs. Please browse our engine combinations listed below or custom design one of your own. Pro-formance Unlimited is best known for our precision custom designs. From that special built stroker engine to that turn-key drop in ready crate engines, call Doug or Steve we will be happy to answer any of your questions.

All engines are custom built to order for total customer satisfaction

Credit cards accepted

Call us today for a quote






8100 12-20-12

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