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SKU: 300-8394 | UPC: 672036032845
ARP 7/16"-20 x 9/16" Socket 12pt Nut Kit (10 Pack) for Chevrolet Engines
ARP 300-8394 nut kit includes ten 12-point nuts with 7/16"-20 threads and 9/16" socket size for ARP connecting rod bolts. Fits Chevrolet small block big block Mark IV and LS series V8 engines in performance vehicles like Camaro Corvette and trucks. Provides consistent clamping force to handle high horsepower high RPM conditions without loosening or fatigue.
Key Features
- 12-Point Design: Ensures positive engagement with thin-wall sockets to prevent rounding during high-torque assembly
- 8740 Alloy Steel: Heat-treated chrome-moly construction resists stretch and maintains preload under extreme cylinder pressures
- Precise Threading: 7/16"-20 x 9/16" specs match ARP Pro Series rod bolts for leak-free secure fastening
- Kit Quantity: Ten nuts cover one full V8 connecting rod set with spares for rebuilds
- Corrosion Resistance: Black oxide finish protects against rust in fuel-soaked or humid engine bays
Product Notes
- Inspect bolts for thread damage before nut installation
- Store in dry area to preserve finish integrity
- Compact kit ships fast with no oversize fees
Installation Notes
- Professional installation recommended.
- Clean rod bolt threads and apply ARP Ultra-Torque lubricant as directed
- Torque to ARP specs in sequence typically 65-75 ft-lbs depending on application
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2002 | Chevrolet | Small Block Gen I/II | 262 283 327 350 400 |
| 1965-1996 | Chevrolet | Big Block Mark IV | 396 402 427 454 |
| 1997-2013 | Chevrolet | LS Gen III/IV | LS1 LS6 LS2 LS3 L92 |
| 1967-2002 | Chevrolet | Camaro | V8 Models |
| 1953-1996 | Chevrolet | Corvette | C1-C4 V8 |
Why Choose ARP?
- Fasteners used in NHRA Top Fuel and NASCAR since 1968
- Engineered to deliver repeatable torque values in racing environments
- Machined to micron tolerances for perfect bolt-nut match
Frequently Asked Questions
-
Q: Which ARP rod bolts use these nuts?
A: Compatible with ARP part numbers like 234-5601 234-5610 for SBC 234-6007 for BBC and 234-5625 for LS engines all 7/16"-20 thread -
Q: What material and strength rating?
A: Forged 8740 chrome-moly steel heat-treated to 200,000 psi tensile strength exceeds OEM specs -
Q: What is the warranty and torque procedure?
A: Lifetime warranty against defects if torqued per ARP instructions with Ultra-Torque lube re-check after 500 miles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Small parts box 3 x 3 x 1 inches
- Weight: 0.2 lbs
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