Gen III 345CI Hemi 450HP Crate Engine

Starting at $14,995.00

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Proformance Unlimited offers a full line of Gen III Hemi based turn-key drop in ready crate engines designed for hot rods and muscle cars. Where new school performance meets old school looks. We have developed a complete line of fuel injected Late Model Hemi based power plants to fit almost everyone’s needs. If you don’t see something you want give us a call and we will design it for you. Our vision on these engines is to bring back the really cool looks from yesteryears engines with today’s reliability.

  • Gen 3 5.7L HEMI block
  • Bored and honed with deck plate
  • Mains have been aligned
  • Block has been square decked
  • Dura Bond cam bearings installed
  • Block painted with 3 coats of high temp ceramic engine paint choice of color
  • Cast steel 3.580 stroke crankshaft
  • I-Beam connecting rods
  • Performance pistons
  • Rod and main bearing
  • Performance rings hand filed to match application
  • The complete rotating assembly will be balanced
  • Comp Cams custom ground high performance street camshaft
  • Three-piece timing set
  • Hydraulic roller lifters
  • Chrysler performance roller lifter retainer clips and tray
  • Aluminum cylinder heads
  • Performance valve springs and retainers (to match camshaft)
  • Manley chrome moly push rods
  • Shaft mount rocker arms
  • Oil pump
  • Milodon oil pick up
  • Milodon 7Qt center sump pro touring oil pan
  • Milodon dipstick and tube
  • Gen 3 Hemi car aluminum timing cover
  • Engine will be assembled with all new bolts
  • ARP head bolts
  • Fel-Pro/Mahle performance gaskets
  • Harmonic balancer
  • Holley Snipper fabricated intake manifold
  • Holley Terminator X engine management system
  • Holley Sniper 92mm throttle Body
  • Spectre Performance conical air cleaner
  • Holley 48 lbs/hr. High impedance fuel injectors
  • Holley TPS sensor
  • Holley IAC valve
  • Holley Street fire ignition coils
  • Spark plugs
  • Water pump
  • Holley Snipper fabricated aluminum valve covers
  • Chrome breather
  • Engines are photo documented during the building process sat goes into your engine
  • Engine will be dyno tested with a starting tune – EFI system has self-tune capabilities
  • 2 Year Unlimited Miles Warranty

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Pulley Systems

Alternator & Power Steering

Alternator & Power Steering

This system includes the following items:

  • Chrome 140 Amp Alternator
  • GM Type 2 Power Steering Pump With Reservoir
  • Polished Alternator Pulley
  • Polished Crankshaft Pulley
  • Polished Water Pump Pulley
  • Polished Aluminum Brackets With Fan & Nose Cover
  • Polished Idler Pulley
  • Spring Loaded Belt Tensioner
  • 8 Rib Serpentine Belt
  • Installed On Your Engine

Add $1,875

Alternator, Power Steering &  Air Conditioning

Alternator, Power Steering & Air Conditioning

This system includes the following items:

  • Chrome Plated 140 Amp Alternator
  • GM Type 2 Power Steering Pump With Reservoir
  • Chrome Plated AC Compressor
  • Polished Alternator Pulley
  • Polished Crankshaft Pulley
  • Polished Water Pump Pulley
  • Polished Aluminum Brackets With Fan & Nose Cover
  • Spring Loaded Belt Tensioner
  • 8 Rib Serpentine Belt
  • Installed On Your Engine

Add $2,300


Dyno Testing

Have your new crate engine Dyno tested!

Have your new crate engine Dyno tested!

Proformance Unlimited measures over 30 parameters that are monitored and logged to the computer during each engine test. A complete printout, including graphs.

We tune your engine on the dyno for maximum power. No more endless trial and error methods at the track are required. You see your results instantly! Dynamometer testing costs a fraction of what you have invested. Take the guesswork out of tuning - by dynoing !

This system includes the following items:

  • Your engine will be broken in under various load conditions
  • Tested in real world conditions through headers and mufflers
  • Precise horsepower and torque rating with graph and numerical print out
  • Induction system tuned for optimal performance
  • Dyno session video taped

Add $650


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