GPI Hand Porting
Please include a copy of your order confirmation with the manifold and ship to:
Gwatney Performance Innovation
ATTN: PORTING SERVICE
200 Municipal Dr
Jacksonville, AR 72076
501-985-4947
GPI – L86 Intake Manifold Porting Service
$400.00
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GPI Hand Porting
Please include a copy of your order confirmation with the manifold and ship to:
Gwatney Performance Innovation
ATTN: PORTING SERVICE
200 Municipal Dr
Jacksonville, AR 72076
501-985-4947
In Stock
Frequently Purchased Together
$178.99
Throttle Body Gaskets
$10.10
Induction
$31.82
$349.99
$149.99
Description
Questions & Answers (8)
Customer questions & answers
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Will this require a tune on a stock 6.2?
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A No
Correction, the L87 6.2....
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A I believe so but we've never installed one to know for certain
I recently had my L86 intake ported. However, the truck was stolen before I could install it. Is this intake compatible with the L86 in a 2021 6.2? Hoping to install it on the new truck. Thank you!
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Q I recently had my L86 intake ported. However, the truck was stolen before I could install it. Is ...... Read more answer nowAsked by on May 17, 2022 9:20 pmA See above
Does the $400 include the return shipping? And is there enough material to port the TB opening to 95 mm? Is that extra? Thanks in advance
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Q Does the $400 include the return shipping? And is there enough material to port the TB opening to...... Read more answer nowAsked by on April 18, 2022 7:43 amA It does and can't port to open up to 95
Power gains for a 2018 l86 ported manifold
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A The ported manifold with the Katech TB picks up around 17whp
What's the turn around time on porting service if I were to send an intake?
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Q What's the turn around time on porting service if I were to send an intake? answer nowAsked by on March 29, 2021 6:10 pmA 2 weeks is the turn around time
will the ported l86 intake and throttle body run properly on a stock 5.3 ?
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Q will the ported l86 intake and throttle body run properly on a stock 5.3 ? answer nowAsked by on September 29, 2020 6:25 pmA It will run well, but you will need a tune for it to do so
Would this fit on 14 gmc sierra
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Answered by the admin
Yes, if it is a 5.3 truck you will need to get the intake and throttle body together. The full package is available here (OEM L86 Intake Manifold and Throttle Body Swap for L83 Trucks).
Nice machine work
Porting job looked incredible. The attention to detail is obvious. Will not hesitate to send other parts to GPI for modifications.
Can’t beat their skill on porting
Clean intake porting & very fast turn around time