SKU: 134-1201 | UPC: 672036041977
ARP Header Bolt Kit For Chevrolet Small Block V8 1/4˝ Wide Header Flange Black Oxide 12-Pt Head 1955-Current
Secure your exhaust headers with the ARP Header Bolt Kit designed for Chevrolet Small Block V8 engines equipped with 1/4-inch wide flanges from 1955 to current models. These bolts feature 8740 chrome moly construction with black oxide finish and 12-point heads for reliable clamping force rated at 180,000 PSI tensile strength, exceeding Grade 8 hardware. They withstand high heat, vibration, and torque in performance builds while simplifying installation near tight header pipes.
Key Features
- 8740 Chrome Moly Material: Delivers heat resistance and durability for long-term header retention in racing and street applications
- 180,000 PSI Tensile Strength: Provides clamping power that resists loosening under extreme exhaust temperatures and engine vibration
- Black Oxide Finish: Protects against corrosion and galling for sustained performance in harsh underhood environments
- 12-Point Head Design: Enables precise wrenching with sockets that fit closely to header tubes without slippage
- USA Made: Ensures consistent quality and precision threading for Chevrolet Small Block header compatibility
Product Notes
- Verify header flange measures exactly 1/4-inch wide for proper fit
- Pair with ARP thread lubricant to achieve accurate torque values
- Compact kit includes all necessary bolts for complete Small Block Chevy header installation
Installation Notes
- Professional installation recommended.
- Torque bolts to 45-50 ft-lbs using ARP specifications and calibrated torque wrench
- Clean bolt holes and roll tap if needed for optimal thread engagement
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-Current | Chevrolet | Small Block V8 (262-400 cid) | Headers w/ 1/4″ flange |
| 1967-1969 | Chevrolet | Camaro | All V8 |
| 1964-1972 | Chevrolet | Chevelle | All V8 |
| 1963-1982 | Chevrolet | Corvette | All V8 |
| 1955-1987 | Chevrolet | C/K Pickup | All V8 |
Why Choose ARP?
- ARP fasteners power NHRA dragsters, NASCAR stock cars, and endurance racing engines
- Every bolt undergoes rigorous testing for uniform strength and fatigue resistance
- Precision machining guarantees exact fit and repeatable torque on Chevrolet headers
Frequently Asked Questions
- Q: Will this kit fit my Chevrolet Camaro or Corvette with Small Block V8?
A: Yes, it fits 1955-current Small Block Chevy V8 engines (262-400 cid) when headers have 1/4-inch wide flanges, including popular 1967-1969 Camaro and 1963-1982 Corvette models. - Q: What material and finish are used on these header bolts?
A: Constructed from 8740 chrome moly steel with black oxide finish for superior heat tolerance, corrosion protection, and thread preservation. - Q: What warranty covers this ARP kit and any installation tips?
A: ARP offers a limited warranty against manufacturing defects. always use ARP lube, torque properly per instructions, and avoid over-torquing to maintain integrity.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective box 1 x 5 x 7 inches
- Weight: 0.95 lbs
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