JEGS Painted Long Tube Headers for Big Block Chevy 396-454
555-30059
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Big Block Chevy
JEGS 555-30059 Painted Long Tube Headers for Big Block Chevy 396-454 Features:
- Performance-tested against leaks for increased hp, improved throttle response, and fuel economy at various RPMs.
- Optimum exhaust flow to reduce back pressure and improve oxygen intake.
- Easy-to-install Big Block Chevy headers are designed to ensure your entire flange surface is flat for maximum gasket seal; full-length reducers, gaskets, and bolts/studs are included.
- Premium quality, high-strength steel long tube headers are crafted with an advanced welding process for maximum durability and rigidity and coated in matte black to match your trim.
JEGS 555-30059 Painted Long Tube Headers for Big Block Chevy 396-454 Notes:
- Must modify stock exhaust to retain catalytic converter(s).
- Applications with oxygen sensors will require the purchase of reducers with O2 fittings.
- These headers will not fit A.I.R. pump.
- Must use original factory Big Block frame stands, motor mounts, and hardware.
- Works with vehicles equipped with A/C
- Works with vehicles equipped with automatic transmissions with both column & floor shifters
- Will NOT work with vehicles equipped with a standard transmission with a column or floor shifter
FAQ
How much more HP do long tube headers add?
JEGS long tube headers, like the 30059 for big block Chevy (BBC) engines, can add significant horsepower gains, typically ranging from 10 to 25 horsepower. Actual results may vary based on other modifications and tuning.
Are long tube headers worth it?
Absolutely. Investing in JEGS long tube headers, specifically designed for 454 and big block Chevy engines, is worth it for the increased horsepower, improved exhaust flow, and enhanced overall engine performance.
What size long tube headers should I get?
For optimal performance, choose JEGS long tube headers sized specifically for your vehicle's engine, such as the 454 headers (30059). Consult the product specifications and consider your engine's displacement and intended use.
What do long tube headers do to a truck?
JEGS long tube headers, like the 30059 for big block Chevy engines, improve exhaust scavenging, increasing horsepower and torque. They enhance overall engine efficiency, providing a noticeable boost in truck performance and sound.
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
Specifications:
would these fit in a p30 motorhome chassis with a 454?
Will I have enough clearance to use these in a 1976 monte carlo.
Will these fit in a 91 Chevy suburban with a 454 swap?
Do these come factory with high heat paint or do they need sandblasted and painted with high heat paint before installing them?
Will these fit on a 1979 chevy c20 454 with a automatic transmission?
Will these fit my 71 Chevelle bbc
Looking for header's for 79 Chevy Malibu with a 454 big block will these work?
Will this fit my 1985 k20 Chevy?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.