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Discussion Starter · #1 ·
Looking to add some big horsepower? Then we have what you need!!! You have to unbolt your exhaust manifolds to pull the heads off and I think it's almost against the law to put them back on. The Kooks long tube headers is a much better option to allow the exhaust to exit your freshly ported INDY Cylinder heads. Packages are available for the 5.7 and 6.1 - ]

5.7 Maxx Head kit includes:
Fully CNC ported 5.7 castings, 2.00x1.55 valves (327cfm), proprietary valve job, titanium retainers, Viton seals, heat insulator intake gaskets, Manley polished bee hive springs, 5/16 chrome moly push rods, fully assembled.

Kooks Long Tube Headers



Equal length tube on all primary's
1 3/4" diameter primary tubes for the 5.7
3" fire cone collectors
Custom 3" mid pipes with Ultra Hi Flow Metallic cats
Full Color instructions and all hardware and gaskets included

5.7-H1-1K INDY 5.7 Maxx Head Kit
6910-CC Kooks 1 3/4" x 3" Headers w/ 3" Metallic Catted Connection w/ O2 Extension Kit (2-18" & 2-6")

Package Price - $2775.99

6.1

6.1 Maxx Head kit includes:
Fully CNC ported 6.1 castings, 2.08x1.60 valves (370cfm), proprietary valve job, titanium retainers, Viton seals, heat insulator intake gaskets, Manley polished bee hive springs, 5/16 chrome moly push rods, fully assembled.

Kooks Long Tube Headers



Equal length tube on all primary's
1 7/8" diameter primary tubes for the 6.1
3" fire cone collectors
Custom 3" mid pipes with Ultra Hi Flow Metallic cats
Full Color instructions and all hardware and gaskets included

6.1-H1-1K INDY 6.1 Maxx Head Kit
6905-CC Kooks 1 7/8" x 3" Stainless Steel Headers w/ 3" Metallic Catted Connection w/ O2 Extension Kit (2-18" and 2-6")

Package Price - $2899.99

Note: Head core charges: We will take an authorization on your credit card to cover the core amount. This authorization will be dropped when your cores are returned. This charge will be put through and is non-refundable if you don't return your cores within 2 weeks.

You can place your order online or by giving us a call at 1-877-482-9763. We install what we sell so let us know if you need to book an appointment. Discounted rates are available at the local Hampton Inn if you'll be traveling to us and need to stay overnight. 90 days same as cash financing is available to qualified buyers!

Have a great day!



TBYRNE MOTORSPORTS LLC
ORDER LINE - 1-877-4-TBYRNE (1-877-482-9763)
E-MAIL - [email protected]


CHECK OUR WEBSITE FOR WEEKLY SPECIALS! INSTALLATION SPECIALS AVAILABLE!
 

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Hey there Tbyrne folks, how would you rate these heads vs the Franks Racing street heads? Also, how much is the core charge on these? Thanks
 

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Discussion Starter · #3 ·
I know Franks Racing has some good stuff but, I haven't gone over their head specs to compare.

The core charge for the 5.7 is $1050. and $1200. for the 6.1.
 
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