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SKU: 207-4202 | UPC: 672036008116
ARP Mitsubishi 2.6L 12pt Head Stud Kit 1983-1989 Starion & Conquest
ARP 207-4202 head stud kit secures cylinder heads on Mitsubishi 2.6L G54B engines in 1983-1989 Starion and Chrysler Conquest models. Stud design maintains clamp load under boost and high rpm to resist head lift and gasket failure. This kit supports street-driven cars and track builds with dependable strength.
Key Features
- ARP 8740 Chromoly Construction: Forged steel studs rated at 200,000 psi tensile strength handle extreme cylinder pressures
- 12-Point Nut Design: Reduces rotation during torquing for accurate preload and consistent clamping force
- Precision-Rolled Threads: Minimizes thread wear on block and provides repeatable torque values over multiple services
- Stud-Style Fasteners: Distributes load evenly to prevent distortion and improve sealing reliability
- Complete Hardware Set: Includes washers, 12pt nuts, and lube instructions for bolt-on installation
Product Notes
- Confirm 2.6L G54B engine prior to purchase for exact match
- Re-torque after 500 miles or initial heat cycles per ARP guidelines
- Packaged to withstand shipping impacts and arrive ready to install
Installation Notes
- Professional installation recommended.
- Clean cylinder block threads thoroughly and apply ARP Ultra-Torque lubricant
- Torque in ARP-specified sequence to 70-80 ft-lbs dry or per application chart
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1983-1985 | Mitsubishi | Starion | LS |
| 1987 | Chrysler | Conquest | Base |
| 1988-1989 | Chrysler | Conquest | TSi |
| 1983 | Mitsubishi | Starion | Base |
| 1984-1985 | Mitsubishi | Starion | ES |
| 1985 | Mitsubishi | Starion | ESi |
| 1988 | Mitsubishi | Starion | ESi |
| 1986-1989 | Mitsubishi | Starion | ESi-R |
| 1984-1987 | Mitsubishi | Starion | LE |
Why Choose ARP?
- Fasteners proven in NHRA and professional racing engines for decades
- Heat-treated chromoly withstands repeated high-heat cycles without fatigue
- CNC-machined for exact length and thread fit on OEM blocks
Frequently Asked Questions
-
Q: Will this kit fit 1986 Starion ESi-R with 2.6L turbo engine?
A: Yes, ARP 207-4202 matches all listed 1983-1989 Starion and Conquest 2.6L G54B applications including ESi-R models -
Q: What material and strength rating do the studs have?
A: Made from 8740 chromoly steel heat-treated to 200,000 psi minimum tensile strength with rolled threads for durability -
Q: What warranty covers this head stud kit?
A: ARP provides lifetime warranty against material or manufacturing defects in the fasteners when installed and torqued correctly
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box measuring 9 x 6 x 2 inches
- Weight: 2.1 lbs
Read More
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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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