Brian Crower Toyota 2JZ/1JZ Heavy-Duty Single Spring/Titanium Retainer Kit BC0300HD

Rated for above 800whp, this kit features an increase in spring pressure for extended rpm's. All BC springs from 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 HD
Free Length	1.690"
Seat	1.320" @ 102 lbs
Open	0.900" @ 215 lbs
Coil Bind	0.835"
Retainer	BC2300-24
Spring Seat	OEM
Net Cam Lift	0.460" / 11.68mm