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   Edelbrock new Performer cylinder head (part # 50169) is designed as a bolt-on performance upgrade for 1991-2006 Jeep's with a 4.0L in-line 6 cylinder engine.  Can also be used on 1987-90 Jeep engines and AMC 4.2L engines as long as the 1991-2006 Jeep intakes/exhaust manifolds are used.  EO # pending.  These long heads are now possible due to the upgrades @ Edelbrock factory.  Reserve yours now thru Marken Performance as these will be a hot item.  
   
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For a great complementing set of heades from Flowtech for Jeep Cherokee XJ (part # 92001-1FLT, 92001FLT) with 1 5/8" primaries via Marken Performance.  
  
   
   
    Flowtech part # 92001-1FLT ceramic coated shorty headers fits 91-99 Jeep Cherokee XJ 4WD I6-4.0L, tube size 1-5/8" O.D., 2-1/2 inch collector.  Also available in black part # 92001FLT. 
  
• Tri-Y design for a broad torque curve and increased torque. Perfect for off-road and rock crawling
• High flow, mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
• Heavy duty tubing and high quality welds for increased strength and durability
• Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance, improving throttle response and broadening the torque curve
• Machined 3/8” header flange welded inside and out for a leak-free seal and maximum strength
• Premium aluminum header gaskets and installation hardware included  
   
   
  
  

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