Brian Crower BC0250 - Nissan TB48 Single Spring/Titanium Retainer Kit

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	BC1250 Single
Free Length	1.796"
Seat	1.470" @ 75 lbs
Open	1.000" @ 203 lbs
Coil Bind	0.935"
Retainer	BC2250
Spring Seat	OEM
Net Cam Lift	0.450" / 11.43mm