Click to zoom in
SKU: AR6.500-1LB
ARP 1/2 x 6.5in Long Broached Individual Stud for Chevy Small Block, Big Block & Ford V8 Engines
The ARP 1/2 x 6.5in long broached individual stud serves as a direct replacement for connecting rod fasteners in high-performance applications. It fits popular Chevy Small Block V8s from 1955-2004, Big Block Mark IV 1965-2002, Ford 351W 1969-1996 and 460 1968-1997 engines. This stud clamps rods securely to withstand high cylinder pressures and rpm in street, drag and circle track builds.
Key Features
- ARP2000 Alloy Construction: Forged from proprietary steel with 200,000 psi operating strength and 220,000 psi tensile rating for repeated heavy loads
- Rolled Threads: Increases fatigue life by 10 times over cut threads while maintaining precise thread engagement
- Broached Hex Head: Allows accurate wrenching without damaging stud or rounding corners during installation and removal
- 1/2"-20 UNF Thread: Matches OEM and aftermarket rod big ends on domestic V8s for plug-and-play fitment
- 6.5in Overall Length: Correct dimension for standard clearance on press-fit and bushed connecting rods in stroker and stock configurations
Product Notes
- Sold individually for targeted replacements in ARP rod stud kits like 206-5601 SBC or 235-5605 BBC
- Pair with ARP 1/2in rod nuts and hardened washers for complete assembly
- Store in dry conditions to prevent corrosion on black oxide finish
Installation Notes
- Professional installation recommended.
- Apply ARP Ultra-Torque assembly lube to threads and nut faces then torque to 65-75 ft-lbs based on rod design
- Requires ARP-compatible 12-point or hex rod nuts. verify shank clearance in rod before final assembly
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2004 | Chevrolet | Small Block V8 | 262-400ci (All) |
| 1965-2002 | Chevrolet | Big Block Mark IV | 396-454ci (All) |
| 1969-1996 | Ford | 351 Windsor | All V8 |
| 1968-1997 | Ford | 429/460 | All V8 |
| 1967-1986 | Dodge | B/RB Big Block | 383-440ci (Select) |
| 1962-2003 | Pontiac | 421-455 | All V8 |
Why Choose ARP?
- Proven in NHRA Top Fuel, NASCAR and Pro Stock racing for over 50 years
- Every stud undergoes magnetic particle inspection for zero defects
- CNC machined in Santa Paula California with exacting tolerances
Frequently Asked Questions
-
Q: Will this stud fit my Chevy 350 stroker build?
A: Yes it directly replaces stock or ARP kit studs in 350-383 SBC builds with standard H-beam or I-beam rods using 1/2in big ends -
Q: What material and strength rating does it have?
A: Made from ARP2000 modified 8740 chrome moly steel heat-treated to 200,000 psi minimum for extreme boost and nitrous applications -
Q: Does ARP offer a warranty on this stud?
A: Lifetime warranty against breakage when installed and torqued per ARP instructions with genuine ARP lubricant and components
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Individual protective plastic sleeve in 7x3x1 inch box
- Weight: 0.25 lbs
Read More
ARP
ARP (Automotive Racing Products) is the world’s premier manufacturer of high-strength engine and driveline fasteners—head studs and bolts, main studs, rod bolts, and more—engineered and manufactured in-house from start to finish for race-proven reliability. With vertically integrated processes that include cold heading, machining, heat-treating, thread rolling after heat treat, and rigorous QA, ARP maintains aerospace-level certifications (ISO 9001 and AS9100) and validates every part for repeatable clamp load and fatigue resistance. Signature alloys such as 8740 chromoly, ARP2000, L19, and Custom Age 625+ deliver ultimate tensile strengths up to the super-alloy range, while ARP Ultra-Torque fastener assembly lubricant helps achieve consistent pre-load during installation. From street performance builds to professional motorsport programs, ARP fasteners provide precise fitment, superior metallurgy, and the durability needed to keep engines together at elevated cylinder pressures and...
View ARP Products
ARP Head Studs
Welcome to our premium collection of ARP Head Studs and fasteners, specifically engineered for high-performance engines. This expertly curated selection features a variety of fasteners designed to meet the rigorous demands of automotive enthusiasts and professionals. Whether you need OEM replacement parts or specialized hardware for competitive racing series such as Formula 1, IndyCar, NASCAR, or NHRA, our collection has everything you require. ARP Head Studs are celebrated for their superior strength and reliability. Each product featured in our collection is meticulously crafted to ensure your engine performs optimally, even under extreme conditions. Here are some key attributes of our ARP fasteners: High-Quality Materials: Constructed from top-tier materials for exceptional durability. Precision Engineering: Designed to provide a perfect fit and enhance overall performance. Comprehensive Range: From head studs to specialty fasteners, we offer a wide array of options to meet y...
View ARP Head Studs Products
Hardware
Shop premium hardware and installation components at Black Ops Auto Works, your trusted source for engine hardware, bolts, studs, nuts, washers, brackets, mounting kits, replacement hardware, and installation accessories for performance cars, trucks, SUVs, Jeeps, and race builds. Whether you are finishing an engine build, replacing worn hardware, or installing aftermarket parts, we carry high-quality components designed for fitment, durability, strength, and long-term reliability. From ARP bolts and stud kits to Vibrant crush washers, QA1 mounting hardware, PERRIN radiator brackets, and other performance-focused installation parts, our hardware collection helps support clean installs and dependable results across a wide range of builds. Shop Hardware, Bolts, Brackets & Installation Components At Black Ops Auto Works, we offer a wide selection of performance hardware and supporting installation parts for street, track, off-road, and custom applications. Popular Hardware Categorie...
View Hardware Products