# Bigger Throttlebody

**URL:** <https://forums.speedlife.net/t/bigger-throttlebody/116038>\
**Category:** SON240sx Automotive\
**Created:** [June 4, 2008, 1:15pm UTC](https://forums.speedlife.net/t/bigger-throttlebody/116038 "2008-06-04T13:15:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Young\_Gun](https://avatars.discourse-cdn.com/v4/letter/y/9de0a6/32.png) [@Young\_Gun](https://forums.speedlife.net/u/Young_Gun)\
**Post date:** [June 4, 2008, 1:15pm UTC](https://forums.speedlife.net/t/bigger-throttlebody/116038/1 "2008-06-04T13:15:17Z")

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Hey guys,  
I have a friend who is looking for a TB that is bigger than the stock SOHC KA tb…

What is the stock size?  
What are some popular sizes and what vehicles/motors to get them from?\

ThankYou

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**Author:** ![R33](https://avatars.discourse-cdn.com/v4/letter/r/5f8ce5/32.png) [@R33](https://forums.speedlife.net/u/R33)\
**Post date:** [June 4, 2008, 1:32pm UTC](https://forums.speedlife.net/t/bigger-throttlebody/116038/2 "2008-06-04T13:32:52Z")

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the KA tb is the biggest out of all the engines … only one bigger is the Q45 TB its like 90mm vs the Ka 60mm