SKU: 74342334393

Intake manifold for 8th gen Honda Civic SI (K20 engine) - 8 injectors - Mustang throttle

Sale price$188.95 Regular price$209.95
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Intake manifold for 8th gen Honda Civic SI (K20 engine) - 8 injectors - Mustang throttleThe SPA Performance intake manifold was designed for upgraded builds, having a bigger plenum volume and allowing higher airflow, it is the perfect solution for those who wants high performance and durability, guaranteed by its cast aluminum construction. Available in options for 4 and 8 injectors with fuel rail in aluminum billet anodized with 8AN inlet outlet. In addition, you can choose between an Mustang 86 93 5. 0L throttle body bolt holes pattern

The SPA Performance intake manifold was designed for upgraded builds, having a bigger plenum volume and allowing higher airflow, it is the perfect solution for those who wants high performance and durability, guaranteed by its cast aluminum construction.

Available in options for 4 and 8 injectors with fuel rail in aluminum billet anodized with  -8AN inlet/outlet. In addition, you can choose between an Mustang 86-93 5.0L throttle body bolt holes pattern or without holes, for those who wants to use a different throttle body (up to 95mm). It does not require major adaptations and maintains all vehicle acessories.

Application: 8th gen Honda Civic SI (K20 engine*)
Number of injectors: 8
Fuel rail: Anodized billet aluminum (black)
uel rail inlet/outlet: -8AN

Injectors compatible: Bosch style, 14mm o-ring, compact / standard / long
Throttle body: Ford Mustang 86-93 5.0L pattern (hole of 70mm and supports expansion up to 95mm)
TBI position: bottom mount
Max pressure capacity: 10bar (145psi)
Internal volume: 5,43L
Material: Cast aluminum

*Designed for K20Z3 head, blocks off intake manifold coolant passage. For other K20 cylinder head types or to use the coolant passage, proper intake manifold modification is needed

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SKU: 74342334393

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4.9 ★★★★★
Based on 25 reviews
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Verified Purchase
Travel A-Broads
Omaha, US
★★★★★ 5
Just What I Needed for My Home Office
Color: Black
I’ve been very happy with this office chair. It was straightforward to assemble, feels sturdy, and offers excellent support for long hours at my desk. The adjustable lumbar support, armrests, and headrest make it easy to customize for a comfortable fit, and the mesh design helps keep the chair breathable throughout the day. Overall, this chair is comfortable, ergonomic, and a great value for a home office setup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
R
Verified Purchase
Rachel Harrell
Lowell, US
★★★★★ 5
Great chair for my gaming husband
Color: Black
My husband loves this chair. He is 6’ 4” and he has room in this chair. It is super comfortable and easy to put together. This chair is sturdy and worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
L
Verified Purchase
Lgallegos
New York, US
★★★★★ 4
OK for basic Office chair
Color: Black
Positives:Comfortable chair, decent lumbar support. Negatives: no height adjustment for seat or tilt. Handles spin to sides with the slightest touch. Will try to figure out how to securehandles in place. Period good entry level office chair, should have ordered more of an upgraded chair.
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Reviewed in the United States on April 19, 2026
J
Verified Purchase
Janis Giles
Grantham, US
★★★★★ 5
Great daily chair
Color: Black, Color: Black
This is a great chair and very comfortable. I'm hard on fabrics and the material is excellent for me. I didn't think I would like the headrest (because I've never had one), however, I enjoy it's use at times. The wheels roll very easily and the seat height is perfect. The seat is easy to keep clean. I've had this chair for 3 months with daily use and it looks brand new. I would buy this chair again.
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Reviewed in the United States on April 21, 2026
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Verified Purchase
Anonymous
Lowell, US
★★★★★ 3
Cheaply made but functional
Color: Black
Pros: The headrest is highly adjustable. Even if you're tall you'll likely be able to tilt it so that you can rest your head on it while reclining. The instructions for putting it together are easy to follow. It's perfectly serviceable as a desk chair with no glaring defects. The mesh material keeps your body cool and dry even when sitting in it all day. Cons It's obviously very lightweight and cheaply made. This does make the chair easier to move, but this doesn't really feel like a $180 chair at all. More like a $120 or even $100 chair. The chair back is attached to the chair seat by a plastic bracket. Nearly every desk chair I've had in the past has had their back attached to the bottom with a metal bracket, and even those start to bend out of shape after a year or so. While reclining a good portion of your weight will be resting on this plastic bracket, and I simply cannot see this cheap plastic lasting for very long supporting anyone's body weight over a long period of time. If you buy this chair, make sure to get the warranty. The armrests are closer together than on most chairs, which creates a claustrophobic feeling of being squeezed by them. You get used to it eventually, and you can just put the armrests up if you want to, but a way to adjust the armrest width would have been nice. The lumbar support doesn't really do anything at all. It only presses against my back at the most intense setting, and even then not very much. There is no incremental recline setting. Either you are fully reclined, or sitting fully upright. Luckily the full recline setting is about perfect for me, but for a $180 chair you'd expect a bit more settings here.
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Reviewed in the United States on April 21, 2026

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