SKU: 651-1500 | UPC: 672036017668
ARP 5/16 in.-18 RH Thread, 1.500 in. Grip Hex Head Custom 450 Bolts – Set of 5 for Custom Chevy & Ford V8 Rods
ARP Custom 450 rod bolts provide strong clamping force for aftermarket connecting rods with 5/16-18 threads and 1.500 inch grip length. These bolts support high-horsepower custom engine builds by resisting stretch and fatigue under heavy loads. The set of 5 allows targeted replacement in performance applications.
Key Features
- Thread Specification: 5/16 in.-18 right-hand threads deliver secure engagement in compatible rod big ends
- Grip Length: Exactly 1.500 inches of unthreaded shank prevents bottoming out and ensures even load distribution
- Material Strength: Custom 4500 series alloy steel offers 220,000 PSI tensile strength for extreme power handling
- Head Design: Hex head accepts standard wrenches for precise torquing up to ARP specs
- Thread Processing: Rolled threads increase fatigue life and shear resistance over cut threads
Product Notes
- Verify connecting rod big end ID and grip length match before ordering
- Apply ARP Ultra-Torque or moly lubricant to threads and under bolt heads
- Set of 5 suits individual bolt replacement or smaller displacement engines
Installation Notes
- Professional installation recommended.
- Resize connecting rod big end if needed for proper bolt fit
- Torque in stages per ARP instructions with calibrated torque wrench
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Custom | Universal | Performance Connecting Rods | 5/16-18 Thread 1.500in Grip |
| Custom | Chevrolet | Small Block V8 | Aftermarket H-Beam Rods |
| Custom | Ford | Small Block V8 | Aftermarket I-Beam/H-Beam Rods |
Why Choose ARP?
- Supplies fasteners to NHRA Top Fuel and Pro Stock teams
- Every bolt proof-loaded beyond yield point
- CNC machined for consistent dimensions and clamp load
Frequently Asked Questions
- Q: How do I confirm fit for my rods?
A: Measure unthreaded grip length from under bolt head to thread runout. must be exactly 1.500 inches with 5/16-18 big end threads - Q: What makes Custom 4500 steel different?
A: Heat-treated alloy achieves 220,000 PSI strength with superior ductility for boosted and forced induction engines - Q: What warranty applies?
A: Limited lifetime warranty covers defects in materials or workmanship when installed per ARP guidelines
Shipping &. Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective sleeve in fiberboard box 7 x 4 x 1 inches
- Weight: 0.30 lbs
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