Porsche 911 European Racing Headers for 911 3.4 - 3.8 Liter Motors GT Application: Backdating 1974-1998 Porsche 911

Porsche 911 European Racing Headers for 911 3.4 - 3.8 Liter Motors GT Application: Backdating 1974-1998 Porsche 911These equal length Porsche 911 racing headers are sized for 3. 4 3. 8 liter engines and use mandrel bent primaries with scallop cut three into one RSR collectors. Dimensions & details Engine range: 3. 4 3. 8 liters Primary outside diameter: 1 3 4 inches Primary inside diameter: 42 mm Average pair weight: 20 lbs Material: 16 gauge mild steel Construction: Equal length, mandrel bent primaries Collectors: Scallop cut three into one RSR style Included

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