JFJ reduces the friction between the outdrive and the dogbone. It increases the efficiency of transmission that is important for Stock class cars. Due to the reduced friction in IFJ the suspension is softer and smoother at car's acceleration and braking.

IFJ set includes:

ST113  - 1pcs

ST116  - 1pcs

ST37X  - 1pcs

B415    - 2pcs

PIN01  - 1pcs

SPR07  - 2pcs

Two IFJ sets are needed for one car.