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Thumbnail Filmstrip of 5.9L 12V Cummins Custom Age 625+ Head Stud Kit ARP 247-4205 Images
Factory head bolts can stretch under higher boost, heavy towing, or elevated cylinder pressure—raising the risk of a lifted head and blown gasket.
The ARP 247-4205 head stud kit is for 5.9L 12-valve Cummins trucks from 1994-1998. It is ARP's Custom Age 625 Plus kit for that engine, built for high-load diesel clamping.
What you get
- Custom Age 625 Plus material (typical tensile ~260,000 psi per ARP)
- ARP cylinder-head studs with nuts and washers as supplied in the kit
- ARP Ultra-Torque assembly lubricant (when included per ARP instructions)
- Fitment: Dodge 5.9L 12V Cummins 1994-1998
- Follow ARP installation instructions for your exact kit
Specs
- ARP part number: 247-4205
- Material: Custom Age 625 Plus
- Typical tensile strength: ~260,000 psi (ARP material data)
- Thread reference from ARP instructions: M12 x 1.75, M8 x 1.25
- ARP catalog application: Dodge 5.9L 12V Cummins '94-'98 custom age head stud kit
Built for 12-valve Cummins owners who tow, tune, or rebuild and want head-clamping they can trust. Install with the ARP instruction sheet for 247-4205—use the supplied lubricant and the listed torque or stretch procedure. Verify fitment for your exact engine and year before ordering.
Factory head bolts can stretch under higher boost, heavy towing, or elevated cylinder pressure—raising the risk of a lifted head and blown gasket.
The ARP 247-4205 head stud kit is for 5.9L 12-valve Cummins trucks from 1994-1998. It is ARP's Custom Age 625 Plus kit for that engine, built for high-load diesel clamping.
What you get
Custom Age 625 Plus material (typical tensile ~260,000 psi per ARP)
ARP cylinder-head studs with nuts and washers as supplied in the kit
ARP Ultra-Torque assembly lubricant (when included per ARP instructions)
Fitment: Dodge 5.9L 12V Cummins 1994-1998
Follow ARP installation instructions for your exact kit
Specs
ARP part number: 247-4205
Material: Custom Age 625 Plus
Typical tensile strength: ~260,000 psi (ARP material data)
Thread reference from ARP instructions: M12 x 1.75, M8 x 1.25
ARP catalog application: Dodge 5.9L 12V Cummins '94-'98 custom age head stud kit
Built for 12-valve Cummins owners who tow, tune, or rebuild and want head-clamping they can trust. Install with the ARP instruction sheet for 247-4205—use the supplied lubricant[...]
Factory head bolts can stretch under higher boost, heavy towing, or elevated cylinder pressure—raising the risk of a lifted head and blown gasket.
The ARP 247-4205 head stud kit is for 5.9L 12-valve Cummins trucks from 1994-1998. It is ARP's Custom Age 625 Plus kit for that engine, built for high-load diesel clamping.
What you get
- Custom Age 625 Plus material (typical tensile ~260,000 psi per ARP)
- ARP cylinder-head studs with nuts and washers as supplied in the kit
- ARP Ultra-Torque assembly lubricant (when included per ARP instructions)
- Fitment: Dodge 5.9L 12V Cummins 1994-1998
- Follow ARP installation instructions for your exact kit
Specs
- ARP part number: 247-4205
- Material: Custom Age 625 Plus
- Typical tensile strength: ~260,000 psi (ARP material data)
- Thread reference from ARP instructions: M12 x 1.75, M8 x 1.25
- ARP catalog application: Dodge 5.9L 12V Cummins '94-'98 custom age head stud kit
Built for 12-valve Cummins owners who tow, tune, or rebuild and want head-clamping they can trust. Install with the ARP instruction sheet for 247-4205—use the supplied lubricant and the listed torque or stretch procedure. Verify fitment for your exact engine and year before ordering.