GSC Power-Division Beehive Valve Spring Kit for FA20 WRX-BRZ-FRS Intake Manifolds and Accessories You really can drop them

You really can drop them in and go but our testing has proven to give a pro-tuner better timing control higher in the power band

this solenoid incorporates proprietary features exclusive to Overtake

This block comes machined for ½” head studs

Includes 3 x 1/8” BSP hose tail fittings for easy connection

and allowing it to spin more freely

GSC Power-Division Beehive Valve Spring Kit for FA20 WRX-BRZ-FRS Intake Manifolds and Accessories You really can drop themMax RPM: 9,500 RPM Max boost: 35 psi Beehive Spring Coil Bind 0. 800 Install Height 1. 308 1. 315 Seat Pressure 89 87 lbs Open Pressure @ 11mm lift 231 lbs @ 0. 875" 229 lbs @ 0. 882" Maximum Valve Lift 0. 448 Includes: 16 Dual Springs 16 Spring Seat Locators 16 Titanium Retainers Beehive Spring Benefits: Rev faster Lighter components More durable design Less stress on valve train components Lower spring frequency for more precise valve control More