302/351W X2 Street Cruiser Assembled Aluminum Cylinder Head

SKU: M6049X2

Shipping: Ships by Dec. 25
Pickup: Free at Dealer by Dec. 27

About This Item

Product Details

NEW AND IMPROVED "X2" CYLINDER HEAD IS MANUFACTURED FROM ALL-NEW TOOLING, MACHINED, AND ASSEMBLED WITH PREMIUM HARDWARE. THIS PROVIDES A FAST, EASY WAY TO BOLT ON SIGNIFICANT HORSEPOWER TO YOUR STREET CRUISER PACKAGE! 

Click HERE to read a detailed Mustang360 article on Ford Performance "X2" cylinder heads! 
 
  • For use on 289/302/351 Windsor-style engines 
  • High quality original equipment style 356-T6 aluminum castings, precision machined, and assembled with premium components
  • Includes Ford Performance M-6507-J302 intake valves, M-6505-G302 exhaust valves, and PAC® 1219X Ovate Beehive valve springs    
  • Feature 10-degree locks, steel valve spring retainers and stock valve seals  
  • High temperature exhaust valve seats
  • Includes bronze guides
  • Features wider valve cover gasket sealing rail to prevent leaks
  • Machined for gasket seat spark plug  
  • Compatible with all Ford Performance roller camshafts and aftermarket hydraulic roller camshafts up to .600" lift  
  • Work with many aftermarket intake manifolds, headers, and valve train components
  • Compatible with bolt down rockers 1.6-1.7 ratio, always check rocker arm clearance to valve springs with production rocker arms  
  • Depending on lifter preload, Ford Performance Rocker Shim Kits M-6529-A302 or M-6529-B302 may be required
  • Each aluminum head weighs approximately 25 lbs. lighter than each production cast iron head 
  • Each head is leak tested prior to assembly   

Specifications:
  • Combustion chamber volume 64cc 
  • Intake port volume 188cc
  • Exhaust port volume 63cc           
  • Intake flows approximately 230 cfm at .600" lift (at 28" of H20) 
  • Exhaust flows approximately 160 cfm at .600" lift (at 28" of H20) 
  • Premium stainless steel valves - 1.94" Intake and 1.54" exhaust.
  • Closed spring pressure is 145# @ 1.800"  
  • Open spring pressure is 358# @ 1.175"   


Notes:
  • Designed to be used on Ford Performance BOSS blocks; M-6010-BOSS302, M-6010-B302BB, M-6010-BOSS35195, M-6010-BOSS35192 and M-6010-BOSS351BB      
  • Use Ford Performance M-6065-BOSS Head Bolt Set or Ford Performance M-6014-BOSS Head Stud Kit 
  • Use Ford Performance Head Gasket M-6051-CP331 or M-6051-S331 or for "Big Bore" application, use M-6051-R351 
  • Must use Ford Performance M-6065-D289 Head Bolt Kit to install heads on 289/302 production blocks
  • Ford Performance "X2" heads use either GT-40 or aftermarket intake manifolds. Check  manifold for port match; not all intakes are compatible due to tall high-flow intake ports
  • "X2" cylinder heads use Motorcraft® AGSP-32C spark plugs   
  • Use Felpro® exhaust gasket part number 1415 
  • Will not fit 1986 5.0L with flat-top pistons unless pistons are notched for valve relief  
  • Cylinder heads are sold individually 

Technical Specifications

Details:

  • Country of Origin: United States

  • Emission Type: FOR OFF-ROAD USE ONLY

  • Warranty: Not Available

  • UPC: 756122008980

  • Catalog: FPP

Instructions:

Return Policy

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