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SKU: 134-1101 | UPC: 672036041953
ARP Header Bolt Kit For Chevrolet Small Block Big Block V8 1955-2004 1/4˝ Wide Header Flange Black Oxide Hex Head
Secure your exhaust headers with this ARP bolt kit designed for Chevrolet small block and big block V8 engines using 1/4-inch wide flanges. Crafted from 8740 chrome moly steel with black oxide finish these hex head bolts deliver 180,000 PSI tensile strength for dependable clamping under high heat and vibration. This set of 8 bolts ensures headers remain tight for consistent exhaust flow and peak engine performance.
Key Features
- 8740 Chrome Moly Construction: Delivers 180,000 PSI tensile strength far exceeding Grade 8 hardware for lasting header retention in performance builds.
- Black Oxide Finish: Resists corrosion from exhaust gases and road conditions while minimizing galling during installation.
- Hex Head Design: Accepts standard 9/16-inch sockets for quick torquing even in tight engine bay spaces.
- Precise 3/8-16 x 1.000 Inch Threads: Matches Chevrolet 1/4-inch wide header flanges perfectly preventing cross-threading and ensuring full thread engagement.
- Made in USA: Built to ARP exacting standards with rolled threads for superior fatigue resistance over cut threads.
Product Notes
- Set includes 8 bolts sufficient for most single exhaust header installations on V8 engines.
- Compatible with straight and angle plug cylinder heads using 1/4-inch flange headers.
- Store in dry conditions to maintain black oxide protection.
Installation Notes
- Professional installation recommended.
- Apply ARP Ultra-Torque assembly lube or nickel anti-seize to threads and under heads.
- Torque to 25-30 ft-lbs in a crisscross pattern. recheck after heat cycles.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2002 | Chevrolet | Small Block V8 | 262-400 c.i.d. (Gen I) |
| 1965-2002 | Chevrolet | Big Block Mark IV V8 | 366-502 c.i.d. |
| 1955-1985 | Chevrolet | Bel Air | V8 |
| 1967-1985 | Chevrolet | Camaro | V8 |
| 1964-1977 | Chevrolet | Chevelle | V8 |
| 1953-2004 | Chevrolet | Corvette | V8 (non-LS) |
| 1964-1972 | Chevrolet | Impala | V8 |
| 1962-1979 | Chevrolet | Nova | V8 |
Why Choose ARP?
- ARP fasteners power wins in NHRA IHRA and NASCAR racing series.
- Extensive testing ensures reliability beyond OEM specs.
- Precision manufacturing provides consistent clamping loads.
Frequently Asked Questions
-
Q: Will this kit fit LS-series engines?
A: No this kit fits Gen I small block 262-400 c.i.d. and Mark IV big block 366-502 c.i.d. V8s with 1/4-inch wide header flanges. LS engines require specific ARP kits like 234-1101. -
Q: How does the material compare to stainless steel options?
A: 8740 chrome moly black oxide offers higher tensile strength at 180,000 PSI versus stainless while providing excellent heat resistance for header use. -
Q: What warranty applies?
A: ARP includes a limited lifetime warranty against failure when installed and maintained per instructions.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact ARP branded box
- Weight: 0.3 lbs
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