ARP Main Stud Kit for Ford Side bolts - Late cast iron block M9 (except Boss 5.0L )

ARP Main Stud Kit for Ford Side bolts - Late cast iron block M9 (except Boss 5.0L )

Marsoni

M251S

$63.73

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

ARP Main Stud Kit for Ford Side bolts - Late cast iron block M9 (except Boss 5.0L )SKU: 156 5202 UPC: 672036037802 ARP Main Stud Kit for Ford 4. 6L 5. 4L Late Cast Iron Block Side Bolts M9 (except Boss 5. 0L) 1997 2010 ARP Main Stud Kit 156 5202 delivers reliable main cap fastening for Ford 4. 6L and 5. 4L Modular engines in late cast iron blocks with side bolts and M9 caps used in F 150 F 250 Expedition E Series and Navigator. It prevents main cap walk and fretting while safeguarding block threads during high horsepower builds.

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Overall a great buy. It lets you set a certain psi and it automatically shuts off. Also saves the set psi for the next time. The light is decently bright although the carry handle is awkward and I wish that the handle was just different. It's just not a great handle. The inflator airs up a tire fairly quickly, also doesn't vibrate as hard as some of the cheap ones from Walmart. The only problem I had was the 12v plug had somehow overheated and the case had melted and the whole plug had to be replaced. Other than that it's a great unit. Maybe I just got a bad one

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Reviewed in the United States on December 3, 2025

Verified Purchase

Shanise

Fort Morgan, US

★★★★★ 5

Value for money

Perfection in a small box Shuts off once tire are filled Not overheating Easy to use The design is simple and accessories works well

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Reviewed in the United States on May 3, 2026

Verified Purchase

Chloe D.