Ferrea – Gen V LT1 Competition Plus Hollow Stem Intake Valves (F2047P)
Rated 5 out of 5 based on 1 customer rating
(1 customer review)
$373.75
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- Head Diameter: 2.125″
- Stem Diameter: .3135
- Overall Length: 5.235
- Tip Length: .175
- Weight: 108g
- 10* Super Flo, Backcut 30*, Radial Groove
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Reviews (1)
Questions & Answers (5)
Customer questions & answers
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looking for a intake valve that’s light but can handle 900-1000hp i’ve decided on a super alloy exhaust valve (twin turbo LT1)
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Q looking for a intake valve that’s light but can handle 900-1000hp i’ve decided on a super alloy e...... Read more answer nowAsked by joshhh on October 17, 2025 1:43 amA Factory lt4 intake valves are what I would go with https://gwatneyperformance.com/gm-lt4-titanium-intake-valve-12650770/ref/10/
Will this fit stock profile and work well with the GPI head and cam kit? i’ll have a SS2 cam (2017 camaro ss LT1)
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Q Will this fit stock profile and work well with the GPI head and cam kit? i’ll have a SS2 cam (201...... Read more answer nowAsked by Josh on February 24, 2025 9:48 pmA You'd be better off keeping the stock intake valves due to the weight of these valves
Would these fit a factory LT1 L86 heads.
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Q Would these fit a factory LT1 L86 heads. answer nowAsked by Clisson Finney on October 27, 2024 2:06 pmA Yes
How do these Ferrea intake valves compare to OEM? 6.8 stroker, 13:1 NA, E85, BTR220 cam, targeting 7000 rpm max, 700 BHP. I know they weigh more than OEM, 108 g versus 97 g. What about air flow? Is the backcut helpful? Other benefits? Thanks- Jim
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Q How do these Ferrea intake valves compare to OEM? 6.8 stroker, 13:1 NA, E85, BTR220 cam, targetin...... Read more answer nowAsked by Jim Lundgreen on January 3, 2024 8:09 pmA You would be better with keeping oem lt1 intake valves with btr .660 springs that will rev to 7250 before coil bind
I just bought some of these w/ exhaust valve set and noticed these are smaller than stock. What needs to happen in order to run these in stock LT1 heads.
Stock intake valve diameter: 2.126"
Ferrea intake valve diameter: 2.125"
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Q I just bought some of these w/ exhaust valve set and noticed these are smaller than stock. What n...... Read more answer nowAsked by joe111599 on July 20, 2021 10:46 amA That's not enough to matter in my opinion you should be fine


Was in a hurry for these and would have chosen Manley if they had listed the matching intake valves. I’m sure they could have ordered these for me. But still I’m very pleased with these.