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BUICK BOLT PATTERNS
Make Year O.E. Wheel Size Bolt Pattern Stud Size Hub/Center Bore Offset
ALL FULL SIZE
ELECTRA
LE SABRE
RIVIERA		 64-87 15x7 5x127 1/2-RH 78.3 L
ALL MID-SIZE RWD 64-88 14"/15" 5x120.7 7/16-RH 70.3  
CENTURY 80-89 13x5.5 5x100 12x1.5 57.1 H
CENTURY HD 86-89 14x6 5x115 12x1.5 70.3 H
ELECTRA 85-89 14x6 5x115 12x1.5 70.3 H
LE SABRE 86-96 15X6 5x115 12x1.5 70.3 H
LE SABRE CSM 77-85 15x6 5x120.7 7/16-RH 70.3 L
PARK AVENUE
ULTRA		 85-UP 14x6 5x115 12x1.5 70.3 H
REATTA 88-91 15x6 5x115 12x1.5 70.3 H
REGAL FWD 85-UP 15x6 5x115 12x1.5 70.3 H
RIVIERA 86-89 14x6 5x115 12x1.5 70.3 M
RIVIERA 93-UP 15x6 5x115 12x1.5 70.3 H
RIVIERA FWD 79-85 15x7 5x120.7 12x1.5 70.3 H
ROADMASTER
ESTATE WGN		 90-96 15x7 5x127 12x1.5 78.3 L
SKYHAWK 81-UP 13x5.5 5x100 12x1.5 57.1 H
SKYLARK 81-UP 13x5.5 5x100 12x1.5 57.1 H
SOMERSET RGL 85-87 14x6 5x100 12x1.5 57.1 H
RAINIER 04-UP 16x7 6x127 12x1.5 78.3 H
RENDEZVOUS 02-UP 15x6 5x115 12x1.5 70.3 H