ARP Head Stud Kit, BMW / Toyota B58
R11199,99
In stock
Description
Product Support
Additional information
This ARP2000 Head Stud Kit 203-4705 is designed for the turbocharged inline 6-cylinder B58 engines found in varias BMW chassis and the Toyota GR Supra A90/A91. As you increase the power output of your engine beyond its factory specifications, the head and block may start to separate, causing factory bolts to stretch and fail. ARP Head Studs are stronger than factory bolts, ensuring your race engine stays together even under extreme conditions.
The Custom Age 625+ option 203-4706 is kit made from a material that has a tensile strength of 260 ksi, which is substantially higher than the 190 ksi of the ARP 2000 head stud. It’s an ideal choice for individuals who want to push the limits of their B58 builds and require a stronger head stud.
Fitment:
2 Series
F22 / F23 M240i
F22 / F23 M240i xDrive
G42 / G43 M240i xDrive
3 Series
F30 / F31 / F34 340i
F30 / F31 / F34 340i xDrive
G20 M340i
G20 M340i xDrive
4 Series
F32 / F33 / F36 440i
F32 / F33 / F36 440i xDrive
G22 / G23 M440i
G22 / G23 M440i xDrive
G26 M440i xDrive Gran Coupe
5 Series
G30 540i (B58A 2017-2019)
G30 540i (B58C 2020-)
G30 540i xDrive (B58A 2017-2019)
G30 540i xDrive (B58C 2020-)
X3 Series
G01 X3 M40i
X4 Series
G02 X4 M40i
Z Series
G29 Z4 M40i
Toyota GR Supra A90/A91
Installation Instructions:
1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser.
2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.
3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER.
4. Screw studs into the block “HAND TIGHT ONLY”.
5. Install the cylinder head(s) and check for binding or misalignment.
6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT.
Then install the washers and the nuts onto the studs and tighten them hand tight.
ARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.
PRELOAD (TORQUE) RECOMMENDATIONS
7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3
ARP2000
Step 1: Tighten to 30 ft-lbs.
Step 2: Tighten to 60 ft-lbs.
Step 3: Tighten to 90 ft-lbs.
Custom Age 625+
Step 1: Tighten to 30 ft-lbs.
Step 2: Tighten to 60 ft-lbs.
Step 3: Tighten to 100 ft-lbs.
with ARP Ultra-Torque fastener assembly lubricant
Bolt Torque Sequence
| 12 | 10 | 4 | 2 | 6 | 8 | 14 |
| 13 | 7 | 5 | 1 | 3 | 9 | 11 |
Assistance
Contact us on (+27) 82 087 1767 , or email us at info@stradaperfornance.co.za
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