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.  

 

543 horsepower @ 5,900 rpm 540 lb.ft. torque @ 4,800 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.