ARP Head Studs Custom Age 625+ for 4B11 Evo X (207-4207)
$493.31
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$493.31
Product Overview
ARP Custom Age 625+ head studs are designed for the Mitsubishi 4B11 Evo X (2008–2015) and provide a full replacement set for engine head fastening. Each stud is centerless ground, heat treated, and machined to ensure consistent diameter and superior strength. The fasteners are rated at 270,000 psi and offer a 55% increase in tensile strength over OEM Torque to Yield head bolts, improving reliability under high-load conditions.
Key Features
- Centerless ground for precise diameter consistency
- Heat treated before thread rolling and machining for enhanced strength
- Nominally rated at 270,000 psi tensile strength
- 55% higher tensile strength than OEM Torque to Yield head bolts
- Includes 10 studs, 10 parallel ground washers, and 10 8740 chrome moly steel 12-point nuts
- Supplied with assembly lube for proper installation
Specifications
| Material | 8740 Chrome Moly Steel |
|---|---|
| Stud Count | 10 |
| Washer Type | Parallel Ground |
| Nut Type | 12 Point |
| Tensile Strength Rating | 270,000 psi |
Applications
- Mitsubishi 4B11 Evo X
- 2008-2015 Mitsubishi Evolution X
What's Included
- 10 Custom Age 625+ Studs
- 10 Parallel Ground Washers
- 10 8740 Chrome Moly Steel 12 Point Nuts
- 1 Ultra-Torque Fastener Assembly Lube