GPI – MAX Performance Cylinder Heads 2.0

$3,375.00

258cc runner
2.165 Hollow Stem Stainless Steel Intake Valve
1.58 Stainless Steel Exhaust Valve
103cc Exhaust Runner
65cc Combustion Chamber

Want to save $750? Send us your stock LS3 Cylinder Heads for a $750 discount/credit on your new MAX 2.0 Cylinder Heads!

Ships from manufacturer

SKU: gpi-max-2-heads Category: Cylinder Heads Brand: Gwatney Performance

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LS3 & L99

Cam Packages

GPI – MAX Performance Package 2.0 (LS3 & L99)

Rated 5.00 out of 5

Varies Based on Options

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Description

MAX 2.0 Cylinder Heads

Our most powerful medium bore cylinder head. This product delivers by combining a 12-degree valve angle with a raised port position while featuring a high-velocity 258CC runner with an appropriately sized 2.165” intake valve. While sold as a complete package this head can be purchased separately. Requires LS7 intake and rocker’s arms.

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Questions & Answers (9)

Customer questions & answers

How long does shipping usually take?

Q How long does shipping usually take? answer now
Asked by Jermaine Cooper on February 18, 2024 10:21 pm

A Varies but usually 6 weeks all heads are made to order

Will these heads work on a 4.030 bore?

Q Will these heads work on a 4.030 bore? answer now
Asked by Zac Carlyle on January 12, 2024 9:52 pm

A We have not yet installed these on a smaller bore application but I don't believe there would be any issues

Will this head work with my ss4 cam with stock bottom end?

Q Will this head work with my ss4 cam with stock bottom end? answer now
Asked by Christopher Richards on December 10, 2023 1:06 pm

A Heads will work with sbe but you'll have to use our package that includes a 1.8 rocker ratio cam since the valvetrain is set up like the ls7 https://gwatneyperformance.com/product/gpi-max-performance-head-cam-package/#camshaft

Do the heads come but to getter

Q Do the heads come but to getter answer now
Asked by Derrick on August 21, 2023 4:30 pm

A Yes

What casting are these? Flow numbers?

Q What casting are these? Flow numbers? answer now
Asked by Chris briggs on August 11, 2023 11:53 pm

A These are brodix br7 castings and we have our numbers posted under the package link https://gwatneyperformance.com/product/gpi-max-performance-head-cam-package/#camshaft

How much do the valves weigh?

Q How much do the valves weigh? answer now
Asked by Peter Antonopoulos on August 11, 2023 9:19 am

A The hollow stainless intake valve is 106 grams, the exhaust is 94 grams.

I have ls3 long tube headers will these fit these cylinder heads

Q I have ls3 long tube headers will these fit these cylinder heads answer now
Asked by Giovanni on May 28, 2023 5:12 pm

A Yes

A medium bore 4.070 x 4.100-4.125 stroke LS Na I like the brodix BR7 what size port would be good and what rocker arm and intake FI would you recommend ?

Q A medium bore 4.070 x 4.100-4.125 stroke LS Na I like the brodix BR7 what size port would be good...... Read more answer now
Asked by John Bernhardt on February 6, 2023 10:17 am

A I would contact our machine shop Kuntz and Co about that application so they can better assist you, their number is 870-246-2595

Will the CID ls7 intake manifold fit these heads on my ls3 stroker

Q Will the CID ls7 intake manifold fit these heads on my ls3 stroker answer now
Asked by Derrick Henderson on November 9, 2022 7:36 am

A
It should