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SKU: 300-8335 | UPC: 672036012373
ARP 9/16"-18 12pt Nut Kit for 1965-2002 Chevy Big Block Engines (Pack of 10)
Secure your engine build with ARP 9/16"-18 12-point nuts designed for main studs and connecting rod bolts in 1965-2002 Chevrolet Big Block engines including 396 402 427 454 and 502 displacements. This pack of 10 provides precise fit and consistent clamping force to handle high boost and nitrous applications. Built for racers and street performance enthusiasts seeking dependable hardware.
Key Features
- 12-Point Design: Offers superior grip with standard sockets to prevent rounding during high-torque installs
- 9/16"-18 Thread: Exact match for ARP Big Block Chevy main studs and performance rod bolts
- High-Strength Alloy: Forged from ARP exclusive material to resist fatigue under extreme cylinder pressures
- Precise Dimensions: .969 inch height and 11/16 inch width ensure proper stack height and clearance
- Pack of 10: Complete set for mains or rods with spares for maintenance or rebuilds
Product Notes
- Inspect bolts for thread condition before nut installation
- Apply ARP Ultra-Torque lubricant on threads and under nut faces
- Compact lightweight design for easy storage and fast shipping
Installation Notes
- Professional installation recommended.
- Torque to ARP specs in provided sequence starting from center outward
- Compatible with ARP Pro Series studs and bolts 9/16"-18 thread
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1982 | Chevrolet | Corvette | Stingray (396-454) |
| 1967-1996 | Chevrolet | Camaro | SS/Z28 (396-454) |
| 1965-1990 | Chevrolet | C10 Pickup | 396/402/427/454 |
| 1964-1996 | Chevrolet | Impala | SS/Caprice (396-454) |
| 1991-2002 | Chevrolet | Camaro | LT1 502 Crate |
| 1966-1995 | Chevrolet | Chevelle | SS (396-454) |
Why Choose ARP?
- Trusted by top NHRA and NASCAR teams for decades
- USA-made with tighter tolerances than OEM hardware
- Engineered for repeated heat cycles without stretch
Frequently Asked Questions
-
Q: Does this kit fit ARP Big Block Chevy main stud kits?
A: Yes matches 9/16"-18 studs in ARP kits like 245-5901 245-5903 and similar for 396-502 engines -
Q: What finish and material construction?
A: Black oxide finish on high-tensile alloy steel for corrosion resistance and 220000 psi strength -
Q: What is the torque procedure and warranty?
A: Follow ARP torque chart with Ultra-Torque lube backed by ARP limited lifetime warranty against failure
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure plastic tray in branded box 4 x 4 x 1 inches
- Weight: 0.25 lbs
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