|Our brake boosters are mounted up close to the firewall for
added valve cover clearance and provide a water tight seal to the firewall.
They also improve the pedal ratio. Proper pedal ratio allows for full use
of master cylinder travel, which means a higher, firmer and safer pedal.
Includes 7", 8" or 9" booster, master cylinder and all mounting
hardware. Recommended conversion line kits are shown on page 104. Kits #5557BB2,
#5557BB4, #5864BB2, #5864BB4, #6566BB2, #6770BB2, #6566BB4, and #6770BB4
also include a proportioning valve.