2011-2019 FORD 6.7L POWER STROKE DIESEL CYLINDER HEAD STUDS
AFTERMARKET 250-4301A
If you want to grab great quality head studs and you want to save a little bit of $$$, Big Dawg Diesel has got you covered!! These head studs are rated at 220,000 psi tensile strength to cylinder heads from lifting due to high combustion pressure and provide maximum durability for your Ford 6.7L Power Stroke Diesel trucks.
Fits all 2011-2019 6.7L Powerstroke Diesel Engines
DESCRIPTION:
- 220,000 PSI TENSILE STRENGTH
- THREADS ROLLED AFTER HEAT TREATMENT
- CHROMOLY 12 POINT NUTS & PARALLEL GROUND WASHERS
- HEAVY DUTY STUDS FOR YOUR HEAVY DUTY DIESEL APPLICATION
*Please Note - Head Studs and Main Studs are NOT the Same*
Installation Method for Head Stud Kit
Part Number – 250-4301A Application – Ford 6.7L Power Stroke Diesel
1. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.
2. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Use a thread chaser or thread cleaning tap for M12 X 1.75
3. Install the head gasket and cylinder head
4. Screw studs into the block, do not apply torque. The hex broach in the end of the stud is designed to assist with installing/removing the studs form the block, not for applying torque. Install the shorter M12 studs in locations 11, 13, and 15
5. Place the washers over the studs then lubricate the stud threads and bottom of the nuts with high quality lubricant. Then install the nuts onto the studs and tighten them by hand only.
6. Following the manufacturers recommended torque sequence, shown below, torque the nuts per steps 1-4 below
1-Tighten nuts 1-18(M12) to 40 ft-lbs.
2-Tighten nuts 1-18(M12) to 80 ft-lbs.
3-Tighten nuts 1-18(M12) to 125 ft-lbs.
4-Tighten nuts 19 through 22/23(M8) to 28 ft-lbs.
**⚠California Proposition 65 Warning: Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
Visit: www.p65warnings.ca.gov
