Drop in race springs predator 670/740

$160.00

These springs are a drop in solution for your performance build. Using stock retainers they are super builder friendly. Here are the specs compared to stock. Upgraded rockers are recommended

good for .450 max lift

Also never use aluminum retainers, they wear and introduce particles in your oil. They also are known to fail , its now a question of ‘‘if’’ its a question of ‘‘when’’.

These springs are a drop in solution for your performance build. Using stock retainers they are super builder friendly. Here are the specs compared to stock. Upgraded rockers are recommended

good for .450 max lift

Also never use aluminum retainers, they wear and introduce particles in your oil. They also are known to fail , its now a question of ‘‘if’’ its a question of ‘‘when’’.