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Instruction Sheets for Part Number GIB-GP139S-C
Charts & Guides for Part Number GIB-GP139S-C
Headers, Long Tube, Without Air Injection, O2 Sensor Bungs, Stainless Steel, Silver Ceramic Coated, Chevy, Pickup, LS Engine Swap, Pair
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Estimated Ship Date: Nov 25, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
GP139S-C
Part Type:
Product Line:
Summit Racing Part Number:
GIB-GP139S-C
UPC:
677418027204
Header Style:
Long tube one-piece
Header Material:
409 stainless steel
Primary Tube Outside Diameter (in.):
1 3/4 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Collector Attachment:
Stock flange
Collector Diameter (in.):
3.00
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Notes:
Must use adjustable motor mount plates for installation. Made of heavy-duty 409L stainless steel tubing.
Gibson Headers
Gibson headers are performance-tuned and engine-matched to unleash your vehicle's full potential. These headers are well-suited for lowered or raised pickups and tow vehicles—because the performance gains are engineered to come in at low and midrange rpm highway speeds. They feature mandrel-bent primary tubing for increased flow, and they bolt on quickly and easily. Installing Gibson headers will give you increased horsepower and response and a cooler-running engine.
Unless otherwise noted, these headers are designed to fit the vehicle as it came from the manufacturer. This includes components like cylinder heads, chassis, steering, motor mounts, body mounts and bushings, etc. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment. Gibson headers are available in a variety of sizes, configurations, materials, and finishes. Order the model recommended for your vehicle.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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