Brian Crower Toyota 2JZ/1JZ Single Spring/Steel Retainer Kit BC0300S

Designed for up to 9000 rpm and 800whp, 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	BC1300 Single
Free Length	1.690"
Seat	1.325" @ 80 lbs
Open	0.980" @ 158 lbs
Coil Bind	0.810"
Retainer	BC2300S-24
Spring Seat	OEM
Net Cam Lift	0.460" / 11.68mm