Brian Crower BC0270 - Nissan VK56DE 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	BC1220 Single
Free Length	1.731"
Seat	1.425" @ 80 lbs
Open	0.990" @ 192 lbs
Coil Bind	0.900"
Retainer	BC2200
Spring Seat	OEM
Net Cam Lift	0.450" / 11.43mm