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CHEVY
502 Chevy Big Block
550 HP Now Designed With 4-7 Swap Roller Camshaft



Big block Chevy 502 with 550 Hp performance aluminum head engine package can be custom designed to tailor to your specific needs. 4-7 Swap camshafts are known to accelerate smother throw the rpm band and have high horse power ratings. 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.

 
502 550HP Engine Live Run


SEE BELOW THE QUALITY OF PARTS WE USE IN OUR CRATE ENGINES

Short Block Assembly:

  • New 502 Chevy 4 Bolt Main Block (One Rear Seal)
  • Mains have been Align Honed
  • Block has been decked
  • Dura Bond bearing installed
  • Brass freeze plugs and oil galley kit installed
  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color
  • Eagle 4340 Forged Steel Crank Shaft Assembled w/Tri Metal Clevite 77 H-Series Rod And Main Bearings
  • Eagle 4340 H-Beam Connecting Rods w/ARP Rod Bolts
  • SRP Or Mahle Forged Flat Top Pistons 
  • Clevite H-series rod and main bearing
  • Hand Filed Moly Chrome Performance Rings
  • The complete rotating assembly will be balanced

Fully Dressed Turn-Key Crate Engine Assembly:

  • All the above plus the following:
  • Custom ground Hydraulic High Performance Street Camshaft With A Muscle Car Chop
  • New High Rev Lifters (Anti-Pump up)
  • A Set Of Roller lifters
  • Lifter Guides
  • A GM Roller Lifter Retainer Tray
  • Three Piece True Double Roller Timing Set
  • Dart Aluminum Performance Cylinder Heads 118cc With 325cc Intake Runners
  • (8) Stainless Steel 2.25 Intake Valves
  • (8) Stainless Steel 1.88 Exhaust Valves
  • (16) High Performance Valve Springs And Retainers (To Match Camshaft)
  • 7/16 Screw In Studs And Hardened Guide Plates
  • A Set Of Manley Chrome Moly Push Rods
  • A Set Of Performance True Aluminum Roller Rocker Arms
  • Engine Will Be Assembled With All Brand New Bolts
  • High Volume Oil Pump And Screen
  • Painted Oil Pan
  • Painted Dip Stick And Tube
  • GM Performance Aluminum Timing Cover
  • Professional Products Performance Balancer
  • Fel-Pro Performance Gaskets
  • Edelbrock RPM Air-Gap Intake Manifold
  • Chrome Thermostat Housing
  • Holley Carburetor 750cfm Street HP
  • Chrome Air Cleaner
  • MSD Pro-Billet Distributor
  • MSD Blaster II Coil And Bracket
  • MSD 6AL Ignition Control
  • (8) AC Delco Spark Plugs
  • Custom Fit Taylor 8mm Ignition Wires (Color Of Choice Black, Red, Blue, Yellow, Green, Orange No Extra Charge)
  • Brand New High Flow Cast Iron Water Pump
  • Chrome Valve Covers
  • Chrome Breather
  • A Complete PCV Ventilation System
  • All engines will come with flex plate (for auto trans)
  • Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine
  • Each engine is live run tested, timing set and carburetor adjusted for optimum performance
  • We video tape your live run engine and send you a copy
  • All our turn-key engines come with a 1 year warranty with unlimited mileage

Turn-Key Drop In Ready

Only $11,800

MASS-FLOW FUEL INJECTION KIT

- Four barrel single plane Mass-Flo Patented intake manifold
-Custom 1000 CFM 4 bbl throttle body
-Jumbo fuel rails and mounts
custom compact high flow patented mass air meter
-Complete production quality wiring harness
-Production mass air sequential electronic fuel injection computer
-Eight high quality fuel injectors, sized to your application
-All needed sensors
-High performance billet aluminum distributor complete with ignition module, rotor and cap
-High performance coil featuring faster rise time and increased spark duration for increased performance
-Throttle body base gasket
-Throttle cable bracket
-Assorted hardware and fittings and detailed instructions for a simple turn key installation

Add $2,800
POLISHED ENGINE UPGRADE KIT

-Polished Ball Milled Valve Covers
-Polished Edelbrock Intake Manifold
-Polished Edelbrock Water Pump
-Polished Billet Ball Milled Wire Looms
-Polished Air Cleaner

Add $900



TURN-KEY CRATE ENGINE PACKAGES CLICK BELOW FOR MORE DETAILS

383 Chevy Small Block Stroker With 500HP

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PROFORMANCE UNLIMITED INC. RESERVES THE RIGHT TO MAKE CHANGES IN DESIGN OR TO MAKE ADDITIONS TO OR IMPROVEMENTS UPON ANY OF ITS PRODUCTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION WHATSOEVER TO INSTALL THE SAME OR IMPROVEMENT UPON PRODUCTS PREVIOUSLY MANUFACTURED. OCCASIONALLY DEPENDING ON AVAILABILITY, PARTS MAY BE SUBSTITUTED THAT WILL NOT EFFECT PRICE, PERFORMANCE, APPEARANCE OR QUALITY OF THE PRODUCT.
 
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