Description
Part Number: AR8918
ARP Custom Age 625+ Connecting Rod Bolt (7/16″ x 1.600″)
Extreme-duty super-alloy rod bolt engineered to withstand extreme cylinder pressures and high-RPM racing environments.
Key Features & Performance Benefits
- ☑ Custom Age 625+ Super-Alloy: Premium nickel alloy formulation delivering over 260,000 psi tensile strength for unmatched bottom-end security.
- ☑ Precision Dimensions: Machined to exact 7/16″ thread size with a 1.600″ (40mm) Under Head Length (UHL).
- ☑ Superior Fatigue Life: Offers up to ten times the fatigue life of standard aftermarket rod bolts under severe thermal and physical stress.
- ☑ High Clamp Load Capability: Near 220,000 psi yield strength ensures maximum joint integrity and prevents big-end housing distortion.
Technical Specifications
| Brand | ARP / Brian Crower |
|---|---|
| Part Number | AR8918 |
| Material Grade | Custom Age 625+ Alloy |
| Thread Diameter | 7/16″ |
| Under Head Length (UHL) | 1.600″ (40mm) |
| Tensile Strength | 260,000 PSI |
| Torque Rating | 90–95 ft-lbs (using ARP Ultra-Torque lube) |
| Compatibility Note | Fits aftermarket performance connecting rods (e.g., Brian Crower). Does not fit OEM rods. |
What’s Included in the Box
- 1 x Single ARP Custom Age 625+ Connecting Rod Bolt (PN: AR8918)
Trusted by premier engine builders worldwide, ARP fasteners provide uncompromising peace of mind for high-horsepower motorsport applications. As an established UK performance supplier, JP Racing offers direct access to genuine ARP hardware with rapid UK shipping and dedicated technical advice for your build.







Reviews
There are no reviews yet.