On my '54 burb I had no trouble with interference with the clutch mechanism and the booster. I used the Performance Online kit. The booster is smaller diameter than the CPP kit.

http://i232.photobucket.com/albums/ee12/cletis_photos/1954%20GMC%20Suburban/brakes/010.jpg


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.