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SKU: 642-1000 | UPC: 672036017187
ARP 3/8-16 x 1.000 12pt Black Oxide Bolts
ARP 3/8-16 x 1.000 12pt black oxide bolts deliver reliable fastening for critical engine components in performance automotive applications. These bolts ensure even clamp load and withstand high stress in street and track environments. Ideal for custom builds requiring precise 3/8-16 x 1 inch threaded fasteners with 12-point heads.
Key Features
- 12-Point Head: Enables high torque application in confined engine bays without rounding
- Rolled Threads: Promotes better thread strength and consistent torque values across multiple uses
- Black Oxide Finish: Guards against corrosion during exposure to fuels, oils, and moisture
- High-Strength Steel: ARP 8740 chrome moly construction rated at 200,000 PSI tensile strength
- Matched Set: Includes multiple bolts for complete hardware replacement in one package
Product Notes
- Verify thread pitch and length match your specific engine application before purchase
- Store in dry conditions to maintain black oxide protection
- Packaged for fast shipping with protection against impacts
Installation Notes
- Professional installation recommended.
- Clean threads and holes, apply ARP Ultra-Torque lubricant for precise torque
- Compatible with ARP stud kits, cylinder head, intake, and accessory hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Chevrolet | Small Block V8 | Intake, Valve Cover Hardware |
| Universal | Ford | 5.0L/5.8L | Manifold, Accessory Bolts |
| Universal | Honda | B/D-Series | Engine Accessory Fasteners |
| Universal | Nissan | SR20/KA24 | Performance Hardware |
| Universal | Custom | Engine Builds | Any 3/8-16 x 1" Application |
Why Choose ARP?
- Trusted by NHRA, NASCAR, and Formula teams for decades
- Heat-treated alloy steel exceeds OEM strength ratings
- CNC-formed heads and rolled threads ensure repeatability
Frequently Asked Questions
-
Q: What engines or applications do these bolts fit?
A: Fits any performance engine needing 3/8-16 x 1.000 inch 12pt bolts, including small block Chevy intakes, Ford manifolds, Honda accessories, and custom racing setups -
Q: What material and finish are used?
A: Constructed from 8740 chrome moly steel heat-treated to 200,000 PSI with durable black oxide coating for corrosion resistance -
Q: What is the warranty and installation process?
A: ARP offers limited defect warranty. install with cleaned threads, ARP lube, and torque in sequence per application specs, recheck after heat cycles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Original ARP box, 6 x 4 x 2 inches
- Weight: 0.4 lbs
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