GFB Subaru Power-Up Pulley Kit Fitting (part 2010) - Manual (Page 2)

Install the supplied belts and tension so that there is a deflection of 7-9mm when you press with 10kg
of force between the crank/alternator and crank/AC pulleys.
IMPORTANT: Once the belts are tensioned do not forget to fully torque up the power steering nut.
Replace the plastic pulley cover and the job is done. It is a good idea to re-check the belt tension after
the first drive.
Belt Sizes:
These are the belt sizes supplied and recommended by GFB.
Pulleys Installed
Power Steering/Alternator Belt A/C Belt
Crank only 5PK 836 4PK 850
Crank and alternator 5PK 836 4PK 850
Crank, alternator & power steering 5PK 820 4PK 850
Replacement belt sets are available from GFB as follows:
Part # 2100: includes 5PK 820 and 4PK 850
Part # 2101: includes 5PK 836 and 4PK 850
This product is intended for racing use only, and it is the owner’s responsibility to be aware of the legalities of
fitting this product in his or her state/territory regarding noise, emissions and vehicle modifications.
GFB products are engineered for best performance, however incorrect use or modification of factory systems
may cause damage to or reduce the longevity of the engine/drive train components.
GFB recommends that only qualified motor engineers fit this product. Warranty is for the period of one year
from the date of purchase and is limited only to the repair or replacement of GFB products provided they are
used as intended and in accordance with all appropriate warnings and limitations. No other warranty is
expressed or implied.