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68-82 Corvette C3 LS Swap Uncoated Headers

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SFC3X uncoated
40.00 LBS
Calculated at checkout

Product Description

Uncoated C3 LS swap headers.  Does not include motor plates.




        C3 1968-82 CORVETTE
Uncoated LS Swap SmoothFlow Long Tube Headers

Swapping a LS engine in your C3 Corvette has never been easier with these new long tube SmoothFlow Headers and motor plate kit from Melrose. Designed from the ground up specifically for a C3 LS swap conversion. Hand constructed in the USA, featuring sleek SmoothFlow long tubes with 1-3/4" and 1 7/8" primaries into a 3" slip fit collector. Stout 3/8" CNC cut flanges. O2 bungs are located in the collector. Passenger side header maintains excellent clearance from the idler arm unlike so many other aftermarket headers. There is also plenty of room between the number 8 primary and the AC evaporator box. The collectors are intentionally angled in towards the center of the car since the exhaust must pass through the transmission crossmember. These long tube headers were specifically designed for this LS swap. Headers are uncoated.

NOTE: THese will not work with the Corvette batwing oil pan and requires F-body pan and pickup tube.




  • Includes Motor Mount Plates
  • SmoothFlow Technology
  • Hand Made Unsurpassed Quality
  • Excellent Clearances
  • Angled Collectors
  • O2 Bungs Located in Collector
  • 3/8" CNC Cut Flanges
  • 3" Collectors


 Mount location and swap plates- These headers will mount in the factory location using our motor mount swap plates and clear the factory steering box.  We cannot guarantee any fitment issues with other manufacturers engine plates.


  • Speedhound Performance has now determined that the headers will clear Steeroids rack and pinion system and should also clear VBP's Rack Attack system when using their C3 swap plates.
  • These headers will work with Speedhound Performances Zbar bracket so can retain your factory manual clutch.
  • These headers will not work with flaming river rack, reported there is interference with fwd two DS tubes 








1982 Corvette 416 Stroker LS3
Josh Powers of Iowa 

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Gorgeous Looks Starter Clearance


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1969 Corvette  |  LS7
John's Customs in Santa Clara, California





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