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427 CUBIC INCH 535 HP BOSS CRATE ENGINE-Z2 HEADS-REAR SUMP PAN

The company that created the famous 427 FE engine offers a modern version of the legendary motor. 

Built on Ford Performance's BOSS 351 block the 427 crate engine is engineered and built for drive-ability and durability while delivering big power.  

Ideal for Ford projects requiring 500+ horsepower in a reliable small block package.  

Now equipped with Ford Performance "Z2" Cylinder Heads-this head promotes improved power throughout the rpm range while retaining OEM exhaust and accessory mounting locations when compared to other aftermarket cylinder heads.  

535 horsepower @ 5600 rpm 545 lb.ft. torque @ 4500 rpm   

 
  • Engine type:  351 based small block Ford  
  • Displacement (cu in): 427  
  • Bore x stroke (in): 4.125" bore x 4.00" stroke  
  • Block: Boss 351 9.5 deck  
  • Crankshaft: SCAT® Forged Steel  
  • Connecting Rods: SCAT® forged steel H-beam connecting rods and ARP® bolts  
  • Pistons: Forged Mahle® w/ floating wrist pin  
  • Camshaft type: Hydraulic Roller  
  • Camshaft lift (in): .594"/.618"  
  • Camshaft Duration – intake/exhaust (@.050 in): 242°/248°  
  • Cylinder Heads: Ford Performance Aluminum "Z2" Cylinder Heads -M-6049-Z2    
  • Valve size (in): 2.05 intake 1.60 exhaust  
  • Valve Springs: PAC® 1219X Ovate Beehive
  • Compression ratio: 10.5:1 (nominal) 
  • Rocker arms : Roller Rockers
  • Rocker arm ratio: 1.65:1 
  • Vibration Damper - Ford Performance SFI Approved M-6316-D302 
  • Valve Covers: Satin black, aluminum with "Ford Racing" script 302-135
  • Oil Pan: Steel with deep rear sump pan with windage tray / scraper - 7 quart capacity -M-6675-DRS351
  • Water pump: included long type - standard rotation   
  • Distributor: not included. MSD distributor #85840 recommended (dist. modifications for intake clearance necessary)   
  • Recommended fuel: Premium Unleaded
  • Ignition timing: 32° at 4,000 RPM    
  • Maximum recommended rpm: 5,600 RPM   
  • Balanced: Internally balanced - use neutral balance flywheel (not included)  
  • Recommended intake: Edelbrock part # 2924 Super Victor (not included)   
  • New block, oil and water pumps, performance oil pan and high-performance harmonic balancer   
  • Depending on your application, a different timing cover, water pump, performance oil pan and pickup may be required. 
  • Engine has a performance front sump oil pan and pickup, standard rotation timing cover, standard rotation water pump and non-EFI valve covers.  
  • Timing cover will work with most standard rotation water pumps   
  • Fuel pump eccentric M-6287-B302 installed, allows use of mechanical fuel pump  
  • Valve covers should fit most non-EFI applications. Optional valve covers sold separately.   
  • The damper M-6316-D302 may require a spacer for pulley alignment   
  • Intake manifold not included 
  • Includes intake gaskets and pilot bearing   
  • Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W firing order)  
  • Steel distributor gear required
  • Shipping weight approximately 570 lbs   
  • Built with current available parts. Photo and specs may vary.   
  • Engine installation tuning tips can be found HERE  
  • Note: Results attained using Edelbrock® Super Victor manifold and 770cfm carburetor.
Part Type
Engine: Complete Engines
Instruction Sheet
Warranty Availability
Packaged Dimensions
36" x 39" x 36
Packaged Weight
570 lb(s)
UPC Code
756122007266
Catalog Page Number
165
Country of Origin
United States