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SKU: 241-4501 | UPC: 672036010485
ARP Cylinder Head Stud Kit for 1984-1988 Chrysler Dodge Plymouth 2.2L Turbo 4-Cyl M11 Hex
The ARP 241-4501 Cylinder Head Stud Kit secures cylinder heads on Chrysler 2.2L 4-cylinder turbo engines found in 1984-1988 Dodge Charger Daytona Omni Plymouth Horizon Turismo and Chrysler Laser models. These M11 hex studs replace stock bolts with stronger fastening for boosted applications and high compression builds. They deliver consistent clamping to maintain head gasket integrity during extreme power levels.
Key Features
- 8740 Chrome Moly Material: Heat-treated to 190,000 PSI tensile strength for dependable performance under high cylinder pressures.
- Centerless Ground: Precision process creates concentric straight studs so heads and gaskets align perfectly without binding.
- Post-Heat-Treat Thread Rolling: Boosts fatigue strength 2000% over pre-heat-treat threading for longer life in racing conditions.
- Undercut Stud Design: Equalizes stretch across studs for uniform clamping that accounts for gasket compression and resists blowouts.
- Black Oxide Finish USA Made: Provides corrosion resistance with ARP quality marking on each stud for authenticity.
Product Notes
- Complete kit includes 10 studs for both cylinder heads.
- Use ARP Ultra-Torque lubricant and follow provided torque specs.
- Box dimensions 8 x 6 x 2 inches weight 2.1 lbs.
Installation Notes
- Professional installation recommended.
- Clean blind holes with ARP thread chaser before install.
- Torque in three steps using sequence diagram in instructions.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984-1987 | Dodge | Charger | Turbo 2.2L |
| 1984-1988 | Dodge | Daytona | Turbo 2.2L |
| 1984-1986 | Dodge | Omni | GLH Turbo 2.2L |
| 1984-1986 | Chrysler | Laser | X Turbo 2.2L |
| 1984-1985 | Plymouth | Horizon | Turbo 2.2L |
| 1984-1987 | Plymouth | Turismo | Turbo 2.2L |
Why Choose ARP?
- Relied on by professional engine builders for competition engines.
- Manufactured to exacting tolerances beyond industry standards.
- Proven reliability in drag racing road racing and boosted street builds.
Frequently Asked Questions
-
Q: Will this kit fit my 1986 Dodge Daytona Turbo II engine?
A: Yes ARP 241-4501 fits all 1984-1988 2.2L Turbo I and Turbo II engines in Dodge Daytona Charger Omni Plymouth Horizon Turismo and Chrysler Laser. -
Q: What is the stud material and strength rating?
A: Made from 8740 chrome moly alloy heat-treated to 190,000 PSI with black oxide finish and M11 x 1.5 threads. -
Q: What about warranty and torque specs?
A: ARP ensures quality through rigorous testing torque to 75 ft-lbs dry or use Ultra-Torque lube per instructions contact ARP for support.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box 8 x 6 x 2 inches
- Weight: 2.1 lbs
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ARP (Automotive Racing Products) is the world’s premier manufacturer of high-strength engine and driveline fasteners—head studs and bolts, main studs, rod bolts, and more—engineered and manufactured in-house from start to finish for race-proven reliability. With vertically integrated processes that include cold heading, machining, heat-treating, thread rolling after heat treat, and rigorous QA, ARP maintains aerospace-level certifications (ISO 9001 and AS9100) and validates every part for repeatable clamp load and fatigue resistance. Signature alloys such as 8740 chromoly, ARP2000, L19, and Custom Age 625+ deliver ultimate tensile strengths up to the super-alloy range, while ARP Ultra-Torque fastener assembly lubricant helps achieve consistent pre-load during installation. From street performance builds to professional motorsport programs, ARP fasteners provide precise fitment, superior metallurgy, and the durability needed to keep engines together at elevated cylinder pressures and...
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