LS3 intake to 102mm throttle body rotation adapter

LS3 intake to 102mm throttle body rotation adapter

Marsoni

M251S

$77.99

Get it in 3 business days with 1 day shipping. Friday, May 29

LS3 intake to 102mm throttle body rotation adapterLS3 Intake to 102mm Throttle Body Rotation Adapter Upgrade your airflow with flexibility and precision. Our LS3 Intake to 102mm Throttle Body Rotation Adapter is the perfect solution for upgrading your LS3 throttle body to a larger 102mm throttle body. Designed to provide a smooth transition for incoming air, this 3D cut adapter enhances performance and airflow efficiency. The adapter also allows you to rotate the 102mm throttle body, providing the

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MUCH better than the cheap plastic OEM part, Just a reminder though, these thread into an aluminum block so be very careful to start them finger tight first, then evenly tighten both bolts to push the fitting into the chamber. If you don't, it will slightly misalign and you run the risk of stripping the threads. The one comes with the replacement o ring, and be sure to get some antifreeze on that seal prior to attempting to push it into the chamber. IT IS A TIGHT FIT, but that's what you want, so just be careful. You might also want an extra hose clamp on hand, as the one that came with this began to bend as it got tight, so I had to replace it for peace of mind. Overall, great product though.

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Reviewed in the United States on January 9, 2026