Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures.

Type Single
Free Length 1.693"
Seat 1.375" @ 75 lbs
Open 0.950" @ 175 lbs
Coil Bind 0.850"
Retainer BC2130, OEM
Spring Seat OEM
Net Cam Lift 0.475" / 12.06mm

Features:

• Single Spring
• for high RPM use
• high grade Chrome Silicone Alloy
• Set of 24

Fitment:

• Mitsubishi 4B11T Evo X
• Hyundai G4KF Genesis