Long Tube Headers for 1988-1997 Chevrolet/GMC C&K(1500/2500) Tahoe/Blazer丨5.0L/5.7L 305/350 SBC (Vortec/TBI)
Long Tube Headers for 1988-1997 Chevrolet/GMC C&K(1500/2500) Tahoe/Blazer丨5.0L/5.7L 305/350 SBC (Vortec/TBI) is backordered and will ship as soon as it is back in stock.
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Long Tube Headers for 1988-1997 Chevrolet/GMC C&K(1500/2500) Ta...
Long Tube Headers for 1988-1997 Chevrolet/GMC C&K(1500/2500) Tahoe/Blazer丨5.0L/5.7L 305/350 SBC (Vortec/TBI) is backordered and will ship as soon as it is back in stock.
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Description
Description
Chevy/GMC 350 (5.7L) & 305 (5.0L) SBC Long Tube Headers
These Flashark long tube headers are built for select 1988-1997 Chevy and GMC trucks running the 5.0L 305 or 5.7L 350 small block Chevy V8. If your old factory manifolds are cracked, restrictive, or choking the exhaust note, this kit gives your SBC truck a cleaner exhaust path, a stronger V8 tone, and a stainless upgrade that looks right under the hood.
The main fitment target is the Chevy/GMC C/K truck platform, including many C1500, C2500, K1500, and K2500 applications. Because these trucks changed across years, drivetrains, and exhaust layouts, check the fitment table and the “Before You Buy” notes before ordering.
Specifications
| Brand | Flashark |
| Application | Long tube exhaust headers |
| Engine Fitment | 5.0L 305 / 5.7L 350 Small Block Chevy V8 |
| Material | T304 stainless steel |
| Surface Finish | Mirror polished stainless finish |
| Primary Tube / Inlet Size | 1.5 in. |
| Collector / Outlet Size | 3.0 in. |
| Flange Type | 3-bolt collector flange |
| O2 Sensor Location | 1 O2 sensor location |
| Included Hardware | Headers, reducers, bolts, and metal gaskets |
| Model | EH28022 |
Why Upgrade from Stock Manifolds?
Factory cast manifolds are durable, but they are not great at moving exhaust quickly on a small block truck. A long tube header uses longer primary tubes to help exhaust pulses leave the cylinder more efficiently. On a 305 or 350 SBC truck, that can improve throttle response, sharpen the exhaust note, and support better breathing when paired with the right exhaust system.
Real-world gains depend on the engine condition, camshaft, tune, exhaust size, catalytic converter setup, and how the truck is driven. A stock daily driver will not respond the same way as a tuned small block with a freer-flowing exhaust. Think of headers as part of the full exhaust system, not a magic bolt-on by themselves.
What You Get
- Long tube design: built to reduce restriction compared with many stock manifold setups.
- T304 stainless steel: stronger corrosion resistance than mild steel headers.
- 1.5-inch primaries: a street-friendly size for 305 and 350 small block truck applications.
- 3-inch collectors: provides room for a freer-flowing exhaust path after the header.
- Included install hardware: reducers, bolts, and metal gaskets are included.
- Polished finish: gives the engine bay a cleaner performance look.
Mechanic’s Note
Long tube headers usually require more fitment checking than shorty headers. Before tightening everything down, mock up both sides, check the collector angle, inspect steering shaft and front driveline clearance, and make sure spark plug wires are kept away from hot tubes.
TBI vs Vortec Fitment Note
This header kit is designed for select Chevy/GMC 305 and 350 small block truck applications, including compatible TBI-style trucks and listed 5.7L Vortec applications. Before ordering, match your truck’s year, model, engine size, and drivetrain with the fitment table on this page.
For 1988-1995 TBI-style 305/350 trucks, fitment should be checked against the listed C/K truck applications. For 1996-1997 5.7L Vortec trucks, please verify your exact vehicle configuration before purchase, especially if the truck has an engine swap, lift kit, lowered suspension, or aftermarket exhaust setup.
Compare Long Tube Headers vs Stock Manifolds
| Part | Best For | Main Tradeoff |
|---|---|---|
| Stock cast manifolds | Quiet daily driving and factory-style replacement | More restrictive exhaust flow |
| Shorty headers | Easier packaging and simpler exhaust connection | Usually less scavenging benefit than long tubes |
| Long tube headers | Better exhaust flow, stronger sound, and performance-oriented SBC builds | Requires more clearance checks and possible exhaust modification |
Why Upgrade Your Chevy 350/Vortec Exhaust?
- Stock vs. Long Tube: Stock manifolds on the C/K 1500 are restrictive. Flashark Chevy 350 &305 long tube headers provide a smoother path for exhaust gases, scavenging the cylinders more effectively.
- Vortec Compatibility: Owners of 1996+ trucks searching for long tube headers for 5.0 & 5.7 vortec often struggle with fitment. Our headers are designed to clear the chassis of 88-97 trucks specifically.
Shipping, Warranty & Customer Support
- Estimated Delivery: Most orders are delivered within 7-9 business days after shipment, depending on warehouse availability and destination.
- 1-Year Warranty: This product is backed by a 1-year warranty against manufacturing defects.
- Returns & Fitment Support: Please confirm your vehicle year, model, engine, and drivetrain before ordering. If you are unsure about fitment, contact customer support before purchase.
- Customer Support: Our support team can help with basic fitment questions, order issues, and warranty-related support.
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