BRIAN CROWER Single Spring & Titanium Retainer Kit (Mitsubishi 4B11T – Evo X, Hyundai G4KF – Genesis)

Description

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 BC1130 Single
Free Length 1.693″
Seat 1.375″ @ 75 lbs
Open 0.950″ @ 175 lbs
Coil Bind 0.850″
Retainer BC2130
Spring Seat OEM
Net Cam Lift 0.475″ / 12.06mm