Rear Upper Arm Outer Bush 'Black Series' Honda DC5 rose Joint The increased flow is achieved

The increased flow is achieved through the efficiency of a straight-through valve versus a poppet-style valve where the exhaust gas must be turned 90 degrees by the valve

PFF5-4650 is just under 200% stiffer at 5mm compression

 this new and improved design maximises performance and articulation while retaining the benefit of on-car adjustability

F21 xDrive (2011 - 2019)

Rear Upper Arm Outer Bush 'Black Series' Honda DC5 rose Joint The increased flow is achievedHonda Integra Mk4 DC5 Type R S (2001 2006) POWERFLEX REAR UPPER ARM OUTER BUSH PFR25 324BLK POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best. Diagram Position: 24 Number of Bushes Supplied: 2 OEM Number: 52395 S5A 004 Range: BLACK Series (Motorsport Use Race, Rally & Track)