ARP Main Studs - Ultimate Strength & Precision

ARP main studs are engineered for high-performance applications, ensuring superior strength and reliability. Crafted from 8740 chrome moly steel, these main studs undergo heat treatment to achieve an impressive 200,000 psi tensile strength. The precision J-form threads are rolled after heat treatment, making them 2000% stronger than conventional fasteners.

Main Studs - Key Features:

• Premium-Grade 8740 Chrome Moly Steel – Exceptional strength and durability.
• 200,000 PSI Tensile Strength – Ensures maximum clamping force.
• J-Form Rolled Threads – Increased fatigue resistance and superior holding power.
• Complete Kit – Includes parallel-ground washers and aerospace-quality nuts.

Reduce crankshaft flex and prevent main cap fretting with these premium-quality ARP main studs. Whether you're building a high-performance race engine or upgrading your current setup, trust ARP for the best in engine fastener technology.

Why Choose ARP Main Studs?

When it comes to securing your engine’s bottom end, don’t settle for anything less than the best! ARP main studs provide unbeatable strength, precision, and durability, ensuring your engine performs at its peak.

This Kit Consists of the following:

14 x ARP Mains Studs
14 x ARP Nuts
14 x ARP Washers
1x Assembly Lubricant

Series / Chassis

E34 / E36 / E38 / E39 / E46 / E53 / E60 / E61 / E65 / E83 / E85 / E86 / Z3

Models

325td / 325tds / 330Cd / 330d / 330xd / 525d / 525td / 525tds / 530d / 535d / 725tds / 730d / M3 / X3 / X5 / Z3 / Z4

Engines

M51 / M57 / M57N / S50 / S54

This Kit will fit the following Vehicles:

E34 M51 525td Saloon
E34 M51 525td Saloon (from 01.1994)
E34 M51 525td Touring
E34 M51 525tds Saloon (from 01.1994)
E34 M51 525tds Touring (from 01.1994)
E36 M51 325td Saloon (from 01.1994)
E36 M51 325tds Saloon
E36 M51 325tds Saloon (from 01.1994)
E36 M51 325tds Touring
E38 M51 725tds Saloon
E38 M57 730d Saloon
E39 M51 525td Saloon
E39 M51 525tds Saloon
E39 M51 525tds Touring
E39 M57 525d Saloon
E39 M57 525d Touring
E39 M57 530d Saloon
E39 M57 530d Touring
E46 M57 330d Saloon
E46 M57 330d Touring
E46 M57 330xd Saloon
E46 M57 330xd Touring
E46 M57N
E46 M57N 330Cd Coupe
E46 M57N 330d Saloon
E46 M57N 330d Touring
E46 M57N 330xd Saloon
E46 M57N 330xd Touring
E46 S54 M3 Convertible
E46 S54 M3 Coupe
E46 S54 M3 CSL Coupe
E53 M57 X5 3.0d SAV
E53 M57N X5 3.0d SAV
E60 M57N 525d Saloon
E60 M57N 530d Saloon
E60 M57N 535d Saloon
E61 M57N 525d Touring
E61 M57N 530d Touring
E61 M57N 535d Touring
E65 M57N 730d Saloon
E83 M57N X3 3.0d SAV
E85 S54 Z4 M3.2 Roadster
E86 S54 Z4 M3.2 Coupe
Z3 S50 Z3 M3.2 Coupe
Z3 S50 Z3 M3.2 Roadster
Z3 S54 Z3 M3.2 Coupe
Z3 S54 Z3 M3.2 Roadster

Replaces BMW Part Numbers

11 11 2 244 286 - 11112244286 - 2 244 286 - 2244286
11 11 7 787 806 - 11117787806 - 7 787 806 - 7787806