SKU: 200-8635 | UPC: 672036007102
ARP 7/16-20 Hex Nut Kit for Chevy Small Block Big Block Ford V8 Engines
ARP 7/16-20 Hex Nut Kit provides 8 precision nuts for rod bolts in high-performance builds. Designed for Chevrolet Small Block 262-400 cid 1955+, Big Block 396-454 cid 1965+, Ford 289-351W 1962-1997 engines. Delivers fatigue-resistant clamping to handle high RPM and boost levels in street strip or track setups.
Key Features
- Genuine ARP Build: Forged 8740 chromoly steel heat treated for repeated heat cycles and extreme loads
- Exact Thread Specs: 7/16-20 x 7/8 inch height ensures zero play on ARP rod bolts
- Complete 8 Pack: Matches V8 rod count for full engine rebuilds without shortages
- Hex Head Design: Accepts standard wrench or socket for fast precise torquing
- Clamp Load Consistency: Maintains tension under vibration and thermal expansion
Product Notes
- Inspect rod bolts for thread damage before nut installation
- Apply ARP Ultra-Torque lubricant on threads and under nut faces
- Lightweight 0.10 lbs design fits easily in any toolbox
Installation Notes
- Professional installation recommended.
- Torque nuts to ARP specs typically 65-75 ft-lbs dry or with Ultra-Torque lube
- Designed for ARP 7/16-20 rod bolts confirm bolt length compatibility
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2004 | Chevrolet | Small Block V8 | 262 283 302 305 327 350 400 |
| 1965-1996 | Chevrolet | Big Block Mark IV | 396 402 427 454 |
| 1962-1995 | Ford | Windsor V8 | 260 289 302 351W |
| 1969-1982 | Ford | Cleveland V8 | 351C |
| 1970-1976 | Ford | Big Block | 429 460 |
Why Choose ARP?
- Trusted by NHRA IHRA NASCAR teams for critical fasteners
- USA made with strict quality controls from raw material to finish
- Proven design handles 2000+ HP builds without failure
Frequently Asked Questions
- Q: Will this kit work on my Chevy 350 rod bolts?
A: Yes fits standard 7/16-20 ARP rod bolts on Small Block Chevy 350 and similar V8s confirm bolt thread first - Q: What material construction do these nuts use?
A: 8740 chromoly steel forged and heat treated for high tensile strength over 200000 PSI - Q: Can I reuse these nuts after disassembly?
A: ARP recommends new nuts for each assembly to ensure full clamp load replace after teardown
Shipping & Handling
- Method: UPS Ground USPS First Class
- Availability: In stock – ships same or next business day
- Packaging: Sealed ARP bag in 4 x 3 x 1 inch box
- Weight: 0.10 lbs
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