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SKU: 240-2501 | UPC: 672036036706
ARP Harmonic Damper Bolt Kit for Chrysler 318-440 Wedge with thick damper & Viper V10
This ARP bolt kit secures the harmonic damper on Chrysler 318-440 Wedge engines equipped with thick stock dampers and Dodge Viper V10 engines. The crankshaft flexes and twists under load, and these bolts absorb massive kinetic energy while maintaining position through high clamping force. Engineered for high-performance builds, the kit prevents damper slippage that causes vibration and failure.
Key Features
- 190,000 PSI Tensile Strength: Delivers extreme clamping force to lock the damper solid during high-rpm operation and torque loads
- 8740 Chrome Moly Construction: Heat-treated alloy resists fatigue and stretching for long-term engine reliability
- Black Oxide Finish: Provides corrosion resistance in harsh engine bay conditions
- 1/4-Inch Thick Wide-Area Washer: Distributes load evenly to avoid crank snout damage
- Extra Tall 12-Point Head: Accepts deep socket for precise torquing without stripping or cam-out
Product Notes
- Designed exclusively for dampers with 1.750-inch thick hub width on specified engines
- Torque bolts to ARP specifications using moly lubricant for optimal preload
- Made in USA with premium forgings for consistent quality
Installation Notes
- Professional installation recommended.
- Use 3/4-inch deep 12-point socket and torque wrench rated over 200 ft-lbs
- Compatible with stock and aftermarket thick dampers. verify hub width before install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1971 | Dodge | Charger | 318-440 |
| 1967-1971 | Dodge | Coronet | 318-440 |
| 1967-1971 | Plymouth | Belvedere | 318-440 |
| 1968-1971 | Plymouth | Road Runner | 383-440 |
| 1967-1971 | Plymouth | GTX | 318-440 |
| 1969-1971 | Dodge | Dart | 318 |
| 1992-2002 | Dodge | Viper | RT/10 GTS V10-8.0L |
| 1994-2003 | Dodge | Ram 2500 | V10-8.0L |
| 1994-2003 | Dodge | Ram 3500 | V10-8.0L |
Why Choose ARP?
- ARP fasteners power NHRA and NASCAR engines with proven durability
- Every bolt exceeds SAE specs for strength and fatigue resistance
- Precision machining ensures perfect fit and repeatable performance
Frequently Asked Questions
-
Q: Which engines require the thick damper version?
A: Fits Chrysler 318, 340, 360, 383, 400, 440 Wedge V8s with 1.750-inch hub dampers and Viper V10 8.0L. not for thin-hub aftermarket dampers -
Q: What is the recommended torque spec?
A: ARP recommends 200 ft-lbs with moly assembly lube or 180 ft-lbs dry. always follow ARP instructions included -
Q: Does ARP offer a warranty?
A: Yes, limited lifetime warranty against manufacturing defects when installed and torqued per ARP guidelines
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed for protection during transit
- Weight: 0.25 lbs
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