Brian Crower Valve Springs & Retainer Kit | Toyota 2JZ

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. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.

Kit # Spring # Retainer # Seat # Description Buy Kit Status BC0300 BC1300 BC2300-24 No Seat Single spring, titanium retainer - rated to 800whp In-Stock BC0300S BC1300 BC2300S-24 No Seat Single spring, steel retainer - rated to 800whp In-Stock BC0300HD BC1300HD BC2300-24 No Seat Single spring, titanium retainer - rated above 800whp In-Stock BC0300SHD BC1300HD BC2300S-24 No Seat Single spring, steel retainer - rated above 800whp In-Stock BC0310 BC1310 BC2305-24 BC2935 Dual spring, titanium retainer, steel seat In-Stock

Spring Pressure: BC1300 Seat: 1.325" @ 80 lbs / Open: 0.980" @ 158 lbs / Coil Bind: 0.810" (no machine work required) Spring Pressure: BC1310 Seat: 1.320" @ 98 lbs / Open: 0.850" @ 226 lbs / Coil Bind: 0.795" (no machine work required) Spring Pressure: BC1300HD Seat: 1.320" @ 102 lbs / Open: 0.900" @ 215 lbs / Coil Bind: 0.835" (no machine work required)