The B&M launch control is a spohisticated device, which installs into your existing brake system.  This easily installed solenoid provides the brake holding capacity you are looking for.  It can be used for racing or for street applications if you need a hill holder while stopped on an uphill grade.  Can be used to hold brakes for up to 60 secs.  This high quality solenoid can be used on either the front or rear brakes of your vehicle and can handle pressure spikes up to 1500 psi or maintain constant pressure of up to 400 psi.

• Launch Control solenoid only ( Can also be refered to as Line Lock, Roll Control, Anti-roll, or Roll Stop)
• The choice for performance & dependability
• Controls the front or rear brakes
• For street and racing applications
• For use with manual or automatic transmission
• Works with 12 & 16 volt systems
• Use it as a brake locking device for drag racing or as a hill holding device for street