Full Length Headers, 1 3/4" or 1 7/8", Dog Leg Port, Stainless, American Racing Headers, 1970-74 AMC Ambassador - Drop ships in approx. 2 months

$1,910.97

Description:

  • P/N:  AMCABA-70134300HR - 1 3/4" x 3" Dog Leg Port, Long Tube
  • P/N:  AMCABA-70178300HR - 1 7/8" x 3" Dog Leg Port, Long Tube
  • P/N:  AMCABA-70178312HR - 1 7/8" x 3.5" Dog Leg Port, Long Tube


  • Made for the AMC V-8 engines with dog leg port cylinder heads
  • Premium 100% T-304 USA made mandrel-bent 18-gauge stainless steel 
  • Available in 1-3/4”x3", 1 7/8"x3", or 1 7/8"x3.5" sizes
  • NASCAR style merge collectors & scavenger spikes
  • 3/8” flanges are CNC machined to clear the spark plugs and head bolts  
  • Hand ported and tig welded inlets with excellent tube routing fit  great & maximize performance
  • Euro-ball style connection pipes to give you a starting point for the balance of your exhaust 
  • Includes:  ARP Grade 8 header bolts, gaskets, & Torca clamps
  • Manufacturer Warranty:  Limited lifetime
  • Country of Origin:  Made in the USA using 100% certified USA sourced materials
  • Manufactured To Order:  Please allow approximately 6 months for manufacturing plus shipping.

Specifications:

  • Header Style: Full-length
  • Header Material: 100% USA made stainless steel
  • Header Finish:  Natural
  • Weld-Up: No
  • Primary Tube Diameter (in): 1 3/4" or 1 7/8" (1 7/8" for engines over 500 flywheel horsepower)
  • Flange Style: Euro-ball
  • Collector Attachment: 3-bolt flange
  • Collector Diameter: 3.000" or 3.500"
  • Collector Reducers Included: Yes
  • Collector Reducer Exit Diameter: 2.50 in.
  • Cylinder Head Port Shape: Dog Leg
  • Tuned:  Yes
  • Primary Tube Gauge: 18-gauge
  • Flange Thickness (in): 3/8 in.
  • Bolts/Studs Included: Yes
  • Gaskets Included: Yes
  • Starter Fitment:  Mini gear reduction starters ONLY.   Will NOT fit stock AMC starters
  • Crossover Pipe Included: No
  • Box Dimensions:  38" x 20" x 10"
  • NOTE:  Professional installation by performance exhaust shop highly recommended.  High temp silicone spark plug wires recommended.  Recommended for stock ride height only...requires caution when approaching speed bumps and steep driveways.  Designed for use with mini starters ONLY and will NOT fit factory stock AMC starters.  

AMC, American Motors, Rambler
Models Years
Ambassador w/AMC V-8 Dog Leg Port Heads ONLY 1970-1974