Head Stud Kit for 1989-1998 Dodge Ram 5.9L Diesel 12-Valve | SPELAB
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Product Information +
- Brand: SPELAB
- SKU: SPENS162500004000
- Availability: Many in stock
- Product Type: Head Stud Kit
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PLEASE NOTE!
Description
Ensure rock-solid cylinder head sealing for your 1989–1998 Dodge 5.9L Diesel 12-Valve with this premium Head Stud Kit. Manufactured from 42CrMo high-strength alloy steel and engineered to withstand extreme heat, pressure, and vibration, these studs provide unmatched durability and reliability. With an impressive tensile strength rating of 220,000 PSI and yield strength of 210,000 PSI, they prevent head lift, gasket failure, and cylinder head distortion—making them the perfect upgrade for daily drivers, towing rigs, and high-performance or turbocharged builds.
Note: Installation of this kit requires a rocker pedestal modification to accommodate the shorter rocker pedestal bolts included.
Fitment
- 1989–1998 Dodge Ram 5.9L Diesel 12-Valve Models
Key Features
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Extreme Tensile Strength – 220K PSI
Withstands the most demanding loads without stretching or breaking, ideal for turbocharged and high-horsepower Dodge Ram 5.9L Diesel 12-Valve builds. -
Outstanding Yield Strength – 210K PSI
Maintains form and strength under high stress, preventing permanent deformation and ensuring long-term sealing. -
42CrMo Alloy Steel Construction
Delivers superior hardness, toughness, and fatigue resistance in extreme engine environments. -
Engine Performance & Reliability
Prevents head lift and gasket failure under boost or high compression, supporting consistent performance. -
Precision Machining
Ensures perfect alignment, better sealing, and easier installation compared to standard bolts. -
Built for Demanding Applications
Ideal for racing, towing, heavy-duty trucks, or modified Dodge Ram 5.9L Diesel 12-Valve engines running higher-than-stock cylinder pressures.
Specifications
| Material | 42CrMo High-Strength Steel |
| Tensile Strength | 220,000 PSI |
| Yield Strength | 210,000 PSI |
| Net Weight | 4 kg |
What's in the Box
| 6 × Studs (M8 × 1.25, Length 83 mm) |
| 14 × Studs (M12 × 1.25 / M12 × 1.75, Length 146.3 mm) |
| 6 × Studs (M12 × 1.25 / M12 × 1.75, Length 200 mm) |
| 6 × Studs (M12 × 1.25 / M12 × 1.75, Length 97 mm) |
| 26 × 12-Point Nuts (M12 × 1.25, Height 13 mm) |
| 26 × Washers (Φ22 × 12.2 × 3 mm) |
| 2 × Sockets (10 mm / 14 mm) |
| 1 × Allen Wrench |
| 1 × Assembly Lubricant |
| 1 × Instruction Manual |
Installation
