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Part number: 154-5203
Product Details
ARP 154-5203 Main Bolt Kit For Small Block Ford 351w
Products specifications
Fastener Style Bolt
Fastener Yield Strength (psi) 180,000 psi
Head Style Hex
Main Bolt Style 4-bolt
Notes Fits SVO 351 4 bolt main with 7/16 in. outer bolts only.
Nuts Included No
Quantity Sold as a kit.
Washers Included Yes
Works with Windage Tray No
Main Bolt Kit
4Bolt Main

Main Studs
There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others.

Main Bolts
Far superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly, all bolts feature generous under-head radius and rolled threads for the utmost reliability. The threads are rolled after heat-treating, which makes them about 1000% longer fatigue life than most main bolts, which are threaded prior to heat-treating. Available in the popular High Performance Series, which, at a nominal rating of 180,000 psi, is a premium replacement for OEM fasteners, or the 200,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head and are designed for use in competition applications. Parallel-ground, hardened washers are included with each kit.

Reviews
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K
i ordered a VP 5 gallon container,
order: 28683

the process was easy,
they delivered exactly as promised, when they said they would

A+

Shipping was a little high
P
Easy to order. Ask me again after I receive item.
P
Autoplicity is awesome!  Easy check out and quick shipping!  Will buy from again!
S
Everything went smoothly
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