Part Number: gsc5043

Description: Spring/Retainer Kit; Beehive Single Spring; Titanium Retainer

Seat Pressure: 85 @ Seat / 225 @ 11mm

Fitment: 02-07 Subaru WRX & STI

Detail:

• Rev faster

• Lighter components

• More durable design

• Less stress on valvetrain components

• Lower spring frequency for more precise valve control.

• More valve control equals more aggressive cam profiles

• All of these items help to return more power for you to enjoy

GSC 5043 Beehive valve spring set, and Grade 5 Titanium retainers. This kit is capable of 9500+ RPMS, with as much as 11.5mm lift cams.