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![Engine Swap Headers for Chevy Gen III LS V8 Conversions [Natural]](https://www.jegs.com/images/mini_750/jegs_default.png)
Vehicle Info NeededADVANCE ADAPTERSPART NUMBER: 050-717043-NP
Engine Swap Headers for Chevy Gen III LS V8 Conversions [Natural]
$33858$376.20You Save$37.62
Ships on 09/10/2026
Lowest Price GuaranteeEngine Swap HeadersInside Frame Rail Routing 0.375 in. Flanges 16-Gauge Tubing Natural Pair
Exhaust is one of the first things a swapped engine runs out of room for, since the original manifolds rarely clear the frame, steering, or firewall of a different chassis. Swap-specific headers and flanges route the exhaust where there is actually space while keeping port alignment correct.
Advance Adapters 717043-NP Installation Notes:
- Inside Frame Rail Routing.
- 0.375 in. Flanges.
- 16-Gauge Tubing.
- Natural.
- Pair.
Supersedes part number 717043.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeHeader
BrandADVANCE ADAPTERS
Package Height15.0
Package Width18.0
Package Length38.0
Weight20.0 PG
Part CategoryPerformance Parts
Collector Reducers IncludedNo
Crossover Pipe IncludedNo
Collector Diameter (In.)2.50
QuantitySold As A Pair
Primary Tube Outside Diameter (In.)1 1/2
Bolts/Studs IncludedNo
Header ColorNatural
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedNo
Weld-UpNo
Collector AttachmentSlip fit
Flange Thickness (In.)0.38
Flange StyleStandard
TunedNo
Motor Mounts IncludedNo
Part FitmentSemi Universal
Primary Tube Gauge16-gauge
Header StyleBlock hugger
Catalytic Converter(S) IncludedNo
Vendor Part Number717043-NP
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
