2ZR High Performance Valve Springs - Beehive Type Electrical Height - 13

Height - 13

It's a reliable

The output connector is a custom 18 pin

Does not require additional ZDDP additives

2ZR High Performance Valve Springs - Beehive Type Electrical Height - 13The recent design of many engines is focused on lower possible parasitic losses and efficiency, the design of the valve spring needs to match this criteria also. Some newer 2ZR engines are equipped with beehive type springs. This design allows using smaller retainers which improve valvetrain rpm capability. Valve springs on 1ZR 2ZR engines are good up to 7100 rpm, but above or with the higher lift, it would be safer to go with harder springs. We