Brian Cover Single Spring-Nissan
Brian Crower B1220 Spring Kit is a perfect addition to upgraded valve trains by lower rotating valve train weight. This allows the engine to rev faster with less strain and create more power in the end
- Chrome Silicon Alloy Steel
- Single Spring Design
- Use with Upgraded Valve train
Spring Specs:
- Seat: 1.425" @80 lbs
- Open: 0.990" @192 lbs
- Coil Bind: 0.900" (no machine required)