Part Number: 5042

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

Seat Pressure: 75 @ Seat / 186 @ 0.450"

Lift CB: 0.490"

Details:

• 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

• Includes Grade 5 Titanium Retainers

• Max RPM of 9,800 RPM

• Max boost of 40 psi

• Up to 12.2mm lift cams