Katech – 103MM Throttle Body for GEN 5 LT1 / LT4 / LT5 (KAT-A6885)

(37 customer reviews)

From: $729.99

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Katech

Not legal for use in California or other states with similar laws / regulations.
SKU: N/A Category: Brand:

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Description

-Billet aluminum throttle body with GM electronics
-103mm blade
-5-axis CNC-milled inlet
-Clear or black anodized

FOR USE WITH:
C7 Stingray & Gen 6 Camaro LT1 with MSD intake manifold
or
C7 Z06 with ported supercharger inlet

WILL NOT WORK WITH STOCK LT1 INTAKE OR STOCK LT4 SUPERCHARGER

REQUIRES ENGINE CALIBRATION

Reviews (37)

37 reviews for Katech – 103MM Throttle Body for GEN 5 LT1 / LT4 / LT5 (KAT-A6885)

4.9
Based on 37 reviews
5 star
97
97%
4 star
0%
3 star
0%
2 star
0%
1 star
2
2%
1-5 of 37 reviews
  1. Avatar photo
    Charles Clark
    Verified owner

    Great product

    (0) (0)
  2. Avatar photo
    JON L.
    Verified owner

    Amazing craftsmanship super fast shipping gpi knows there stuff

    (0) (0)
  3. Avatar photo
    William Wilkerson
    Verified owner

    The black looks great fast shipping right parts fast

    (0) (0)
  4. Avatar photo
    Omeil S.
    Verified owner

    Great product

    (0) (0)
  5. Avatar photo
    Hackeem
    Verified owner

    Shipped in reasonable time and well packaged

    (0) (0)
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Questions & Answers (24)

Customer questions & answers

    Will lt1 stock tb bolts fit on katech 103mm tb?
  1. Q Will lt1 stock tb bolts fit on katech 103mm tb? answer now
    Asked by Richard Melendez on April 2, 2024 11:13 am
    A I don't believe so I believe the throttle body comes with new hardware
    2. Will this fit a l86 manifold or do I have to get an adapter?
  2. Q Will this fit a l86 manifold or do I have to get an adapter? answer now
    Asked by Jonathan on April 2, 2024 12:46 am
    A This will not work on a l86 manifold, not sure if anybody makes an adapter or not but at that point you're tapering down so it wouldn't be of much benefit anyways
    3. where do I find the 105 inlet lid ? I have a Hi ram manifold with the stock throttle in my 18 ss. i’m currently going to buy the aluminum top manifold which requires the 103mm. what do I need ?
  3. Q where do I find the 105 inlet lid ? I have a Hi ram manifold with the stock throttle in my 18 ss....... Read more answer now
    Asked by Noel on March 18, 2024 5:55 am
    A We do not offer the lid on our website but its part number 300-246 on holley's site
    4. Will the 103mm throttle body fit the lt1 Holley high ram ?
  4. Q Will the 103mm throttle body fit the lt1 Holley high ram ? answer now
    Asked by Sergio on March 3, 2024 7:04 am
    A Presuming you have the 105 inlet lid yes
    5. Will this TB fit a ported LT2 intake?
  5. Q Will this TB fit a ported LT2 intake? answer now
    Asked by Jose Soto on February 19, 2024 1:12 pm
    A No only a 95 will fit with the katech adapter and/or porting.
    6. Would It only go on rotofab intake
  6. Q Would It only go on rotofab intake answer now
    Asked by Monteial Stubbs on December 28, 2023 3:36 pm
    A Email us at [email protected] so we can better assist you with your combo
    7. Will the 103 mm throttle body bolt up and work with the 2650 magnusun SC on a 2018 camaro zl1 auto10 and does it boost the throttle response alot or is there not much difference than the stock 87mm ?
  7. Q Will the 103 mm throttle body bolt up and work with the 2650 magnusun SC on a 2018 camaro zl1 aut...... Read more answer now
    Asked by Richard Hix on July 23, 2023 12:31 am
    A You'll need the 103 specific blower inlet to run the 103 but it will increase power since it will allow more air into the blower, not sure it will effect throttle response much
    8. Will the rotofab Cai fit right into the katech 103mm throttle or do I have to buy an adapter?
  8. Q Will the rotofab Cai fit right into the katech 103mm throttle or do I have to buy an adapter? answer now
    Asked by Adam Lee Hinson on May 9, 2022 5:49 pm
    A It should fit, might be tight but should be able to stretch it if not may get a different coupler
    9. I have you all ported msd so is it best to go with a 95mm or the 103 mm tb ?
  9. Q I have you all ported msd so is it best to go with a 95mm or the 103 mm tb ? answer now
    Asked by Shun on April 11, 2022 11:41 am
    A 103 mm tb
    10. Is this currently on back order?
  10. Q Is this currently on back order? answer now
    Asked by Stefano Luna on February 8, 2022 9:58 pm
    A We have the black finish in stock but not polished
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