LS 3 Bolt Intake to 4 Bolt 102mm Throttle Body Adapter

LS 3 Bolt Intake to 4 Bolt 102mm Throttle Body Adapter

Marsoni

M251S

$89.99

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

LS 3 Bolt Intake to 4 Bolt 102mm Throttle Body AdapterLS 3 Bolt Intake to 4 Bolt Throttle Body Adapter Has 75mm through hole into intake manifold, tapered to 102mm throttle body opening Compatible with up to 102mm throttle bodies Made in Wichita, Kansas from 6061 T6, USA produced billet aluminum Works with both DBW and DBC throttle bodies Includes: adapter plate, bolts, and O ring seal *replaces part # 551597 3B 102

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Whiting, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025