Brian Crower HD Single Valve Spring & Steel Retainer Kit for Toyota & Lexus 2JZ 2JZGE 2JZGTE (800+whp) price_$1001 - $1500 QR is the recirculating valve

QR is the recirculating valve based on the TiAL high performance Q

Since the genuine electronic damper control (EDC) is removed

such as HKS

9 Oxygen Sensor

Brian Crower HD Single Valve Spring & Steel Retainer Kit for Toyota & Lexus 2JZ 2JZGE 2JZGTE (800+whp) price_$1001 - $1500 QR is the recirculating valveBrian Crower HD Single Valve Spring & Steel Retainer Kit for Toyota & Lexus 2JZ 2JZGE 2JZGTE (800+whp) 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. Kit PN: BC0300HD Spring PN: BC1300HD Retainer PN: BC2300S 24 Seat: OEM