RacingHeart Dragster Exhaust Header Set
• Big Block Chevy
• 4.500 in. Merge Spear Collector Diameter
• 2.125 in./2.250 in./2.375 in. 3-Step Primary Size
• Downswept
• Mild Steel
• Chrome Finish
• Sold as a Pair
  
  

  Ideal for engines making over 1,000 horsepower, these exhaust headers feature a stepped design and merge spear collectors that provide high-velocity exhaust scavenging, allowing more low-end torque and top-end horsepower over traditional non-stepped designs. Manufactured using high-strength mild steel, these headers have been chromed to a high luster for outstanding looks on any dragster.

  Features

  • Stepped primary tubes  maximize performance and exhaust flow, gaining horsepower and torque over a large RPM range
  • Merge spear collectors will increase exhaust pulse velocity and scavenging by improving the transition from the primary tubes to the collectors
  • Thick 3/8 in. header flanges provide maximum durability and sealing
  • 30-inch tube length
  • Includes header gaskets and mounting fasteners

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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