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SKU: 135-3601 | UPC: 672036002190
ARP Cylinder Head Bolt Kit for Chevrolet 396-402-427-454 Cast Iron OEM Heads 1965-1996
This ARP cylinder head bolt kit delivers precision fasteners for Chevrolet Big Block Mark IV engines with cast iron OEM heads. Designed for 1965-1996 Chevy 396, 402, 427 and 454 cubic inch applications including Corvette, Camaro, Chevelle, Impala and trucks. Each kit provides 180,000 PSI tensile strength for secure clamping under high combustion pressures and heat cycles.
Key Features
- 8740 Chrome Moly Construction: Forged steel alloy rated at 180,000 PSI tensile strength, stronger than Grade 8 bolts for extreme durability in performance builds.
- 12-Point Wrenching Heads: Reduced hex or 12-point design with wide flange allows retorquing cylinder heads without removing valvetrain components.
- Hardened Parallel Washers: 16 included washers ensure even load distribution and prevent galling on aluminum or cast iron surfaces.
- Black Oxide Finish: Provides corrosion resistance and lubricity for easier installation and long-term protection in engine environments.
- USA Made Precision: Thread size 1/2-13 x 4.400 inches, 16 bolts per kit, manufactured to exact OEM replacement specs for Big Block Chevy.
Product Notes
- Intended for cast iron Mark IV heads only, verify head bolt pattern before purchase.
- Use ARP Ultra-Torque lubricant or moly paste during installation for accurate torque readings.
- Kits include complete hardware for one cylinder head pair replacement.
Installation Notes
- Professional installation recommended.
- Torque in sequence to ARP specs: 110 ft-lbs for stock applications, check instructions for boosted setups.
- Compatible with OEM and aftermarket cast iron heads using 10 x 1/2-13 bolts per side.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1982 | Chevrolet | Corvette | 396-454 Big Block |
| 1967-1970, 1980-1981 | Chevrolet | Camaro | 396-402 Big Block |
| 1964-1972 | Chevrolet | Chevelle | 396-454 Big Block |
| 1966-1976 | Chevrolet | Impala/Caprice | 396-454 Big Block |
| 1964-1972 | Chevrolet | El Camino | 396-454 Big Block |
| 1968-1972 | Chevrolet | Nova | 396 Big Block |
| 1966-1995 | Chevrolet/GMC | C/K Truck | 396-427-454 Big Block |
| 1970-1972 | Chevrolet | Monte Carlo | 402-454 Big Block |
Why Choose ARP?
- ARP fasteners power NHRA and NASCAR champions with proven reliability under race conditions.
- Every bolt undergoes rigorous heat treatment and testing for consistent performance.
- Engineered in the USA with exact tolerances for seamless fit in high-horsepower Chevy builds.
Frequently Asked Questions
-
Q: Will this kit fit aluminum aftermarket heads on Big Block Chevy?
A: No, ARP 135-3601 is designed specifically for cast iron OEM Mark IV heads. Use 134-3601 for rectangular port aluminum heads. -
Q: What is the exact material and strength rating?
A: Made from 8740 chromoly steel with 180,000 PSI tensile strength and 150,000 PSI yield, exceeding Grade 8 by 15 percent. -
Q: Does ARP provide torque specs or warranty?
A: Kits include detailed instructions with torque values. ARP offers limited lifetime warranty for street and mild competition use when installed correctly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box measuring 1 x 6 x 6 inches
- Weight: 2.85 lbs
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