Doug's Headers LS Engine Swap products work together to ensure a proper fit for the LS Engine into specific applications. We understand that engine swap projects often take place over time and careful consideration goes into choosing the right products to suit a range of budgets. That's why we're offering our LS engine swap products a la carte so you can buy product as your build requires with the flexibility to build your project your way.

• Mandrel bent 1 7/8" primary, 3" collectors
• Fits all GM LS engines and includes bungs for 02 sensors
• Designed for use with Doug's Headers LS swap mounts and exhaust system
• 3/8" flanges and V-band clamps for a leak proof seal
• Hi Temp Black Coating
  

Doug's LS Engine Swap products are sold separately but designed to work together. The complete line of LS Engine Swap products includes for this application includes:

Doug's Headers SK103 Motor Mounts 64-67 GM A Body 4.8-6.2L LS Engine Swap Mild Steel, Black

Doug's Headers SKC101 Transmission Crossmember 64-67 GM A Body 4.8-6.2L LS Engine Swap Mild Steel, Black

Doug's Headers D3349 Long Tube Header 64-67 GM A Body 4.8-6.2L LS Engine Swap 1 7/8" Primary 3" Collector Silver Ceramic Coated

Doug's Headers D3349-B Long Tube Header 64-67 GM A Body 4.8-6.2L LS Engine Swap 1 7/8" Primary 3" Collector Black Hi Temp Coated

Doug's Headers D3350 Mid Length Header 64-67 GM A Body 4.8-6.2L LS Engine Swap 1 7/8" Primary 3" Collector Silver Ceramic Coated

Doug's Headers DMP103 Exhaust Mid Pipe 64-67 GM A Body 4.8-6.2L LS Engine Swap use with D3350 Header 3" 304 Stainless

Doug's Headers DES103 Exhaust System 67-72 GM A Body 4.8-6.2L LS Engine Swap 3" 304 Stainless

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

• At this time, PerTronix does not offer expedited shipping options from our website.
• All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.
• PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.