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Big Block Chevy Jet All Stainless Steel Headers 36


Big Block Chevy Jet All Stainless Steel Headers 36

Lightning Big Block Chevy Jet All Stainless Steel Headers 36" Wide

310-404+ Option

Big Block Chevy Jet All Stainless Steel System 36" Wide

For those of you searching for a superb value in a long tubeStainless Steel header, this is it! The Magnum Stainless Steel header uses Mandrelbent 316L stainless steel on the interior and exterior tubes. The header is tig welded with a custom alloy welding rod to helpprevent cracking. After assembly the entire header is stress relieved, annealed,and heat-treated to maximize its corrosive resistance.  The standard finish is satin and polishing is available as an option.The system is sold with gaskets, bolts, and hardware.
EFI applications require ECU reprogramming.

LIGHTNING PERFORMANCE
When comparing performance exhaust systems it's good to understand the different systems on the market today and the performance demands of yourengine. Understanding how a header works will help you decide on which exhaust system is best suited for your application.

Headers have two basic functions. First is to simply relieve back pressure. For example, when looking at a manifold you see a 4" diameter exhaust hose, but theactual exhaust gas opening is about 2-1/2" diameter. Most performance manifolds and some header manufacturers use a 4" exhaust hose and 3" or 3-1/2" OD exhaustgas tube. All of these headers use a 4" OD exhaust gas tube and a 5" water jacket tube until the water gets introduced into the exhaust gas stream, then it getsreduced from 5" to its 4" exhaust hose diameter. At no time does the exhaust gases see a diameter smaller than 4" OD. When looking at these exhaust gas openingsconsider their area not their diameter. For example, a 4" OD opening has an area of approximately 12.56 sq. in. A 3-1/2" opening has an area of approximately 9.62 sq. in.That is 25% smaller! A 3" opening is approximately 7.06 sq. in. and a 2-1/2" opening is approximately 4.90 sq. in. which is 60% smaller.

LIGHTNING HORSE POWER COMPARISON
Performance figures on headers vary considerably. As a rule, the higher horsepower engines benefit more than the lower horsepower engines. For example, the 330hp Mercury engine will gain approximately 50 to 75 rpm, where as the 365 hp Mercury engine will gain approximately 300 to 400 rpm (45 hp). Blown engines gain upto 800 rpm (80 hp). Of course this is comparing these headers against stock Mercury center rise manifolds.

ALL THIS PLUS THE BEST 2-YEAR WARRANTY IN THE INDUSTRY

Option: Part Number: Price: Order:
Black Powder Coat 310-40400
MSRP: $3,999.99
Your Price: $3,399.99 
You Save: 15% off MSRP!
Quantity:   
Polished Finish 310-40401
MSRP: $4,470.99
Your Price: $3,899.99 
You Save: 13% off MSRP!
Quantity:   

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