Exhaust Header · SKU SPAS-1096
LS Swap Long Tube Header 1-3/4 Inch for Chevy Pontiac Buick LS1 LS2 LS3 LS6 LS7 Pair
A pair of 1-3/4 inch long tube headers built for LS engine swaps into Chevy, Pontiac, and Buick vehicles.
- Size1-3/4 inch primary tubes
- Package1x Pair of Headers
- FitmentLS1, LS2, LS3, LS6, LS7 engines in Chevy, Pontiac, and Buick vehicles
- ExclusionNot designed for LS7 engines in Corvette C6 or C7 models
What You Get
Key Benefits
- 1-3/4 inch primary tubes improve exhaust scavenging and low-end torque on LS engine swaps
- Pair includes both left and right headers with matching flange patterns for consistent fitment
Why Buyers Switch
Problems It Solves
- Factory manifolds restrict exhaust flow and reduce engine efficiency in LS swap applications
- Mild steel headers rust at the flange and fail within a few years in hot, humid environments
- Poorly machined flanges leak at the manifold joint and require rework after installation
- Universal headers require cutting, welding, and alignment, which increases shop labour and risk
Where It Is Used
Application Scenarios
- Performance shops installing LS engines into classic Chevys, Pontiacs, and Buicks with no factory headers
- Distributors stocking vehicle-specific LS swap headers for the North American muscle car market
- Tuning shops needing bolt-on exhaust solutions that match factory routing without custom welding
- Online sellers requiring a photographed, vehicle-specific part with a clear fitment list for listings
Buyers
Who It Is For
- Performance parts distributors buying LS swap hardware by the pallet
- Muscle car restoration shops installing LS engines in older platforms
- Online auto parts sellers who need a vehicle-specific part with a clean fitment table
Construction
Technical Features
- Matched left and right headers with identical flange patterns for consistent fit
- Designed for LS1, LS2, LS3, LS6, and LS7 engines in Chevy, Pontiac, and Buick platforms
Data
Specifications
| Size | 1-3/4 inch primary tubes |
|---|---|
| Package | 1x Pair of Headers |
| Fitment | LS1, LS2, LS3, LS6, LS7 engines in Chevy, Pontiac, and Buick vehicles |
| Exclusion | Not designed for LS7 engines in Corvette C6 or C7 models |
Manufacturing
How It Is Made
Tube bending to match factory header routing for LS engine swaps
Final fit check against engine bay templates before packing
Checks
Quality Control
- Flange bolt pattern and sealing face checked before welding
- Weld seams inspected for pinholes and gaps along the full joint
Private Label
Customisation Options
- Private label packaging and barcode labels on request
- Bulk cartons available for container orders instead of individual boxes
Comparison
Compared With The Alternatives
| Factory cast iron manifolds | Factory manifolds restrict exhaust flow and reduce engine efficiency; these headers improve scavenging and torque |
|---|---|
| Universal cut-to-fit headers | Universal headers require cutting and welding; this pair bolts on without modification |
Installation
Use Guide
- Confirm the engine is an LS1, LS2, LS3, LS6, or LS7 and the vehicle is a Chevy, Pontiac, or Buick platform
- Remove the factory manifolds and clean the cylinder head flanges before installing
- Use new gaskets and torque flange bolts evenly in a cross pattern to prevent warping
- Check for exhaust leaks after the first heat cycle and re-torque if needed
- Ensure clearance from engine bay components before final installation
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Answers
Questions About This Part
Will this fit an LS7 in a C6 Corvette?
No. This header is designed for LS7 engines in non-Corvette applications such as Chevelle, GTO, and other muscle cars. It does not fit C6 or C7 Corvettes.
What size are the primary tubes?
1-3/4 inch. This size is optimized for LS engine swaps with improved exhaust flow.
What is included in the package?
One pair of headers (left and right). Gaskets and hardware are not included; plan on using new gaskets.
Can we get our own brand on the box?
Yes. Private label packaging and barcode labels can be arranged, and bulk cartons are available for container orders.
Is this street legal where I sell?
Emissions rules differ by market and we make no emissions approval claim for this part. Check your local regulations before resale.
Get This Part Quoted
Send the quantity you need and your market, and the reply will cover price, packing and lead time.