Part Number: gsc5043

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

Seat Pressure: 85 @ Seat / 225 @ 11mm

Fitment: 15-21 Subaru STI

Details:

The Beehive spring has been designed to be more stable than standard single or dual cylindrical springs. The smaller and lighter retainer used on the beehive valve spring allows for higher RPM and more valve control.

Features: 

• 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

The 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.