Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all foreign and domestic vehicle applications from 1930-present.

This Part Fits:

Year	Make	Model	Submodel
1985-1989	Buick	Skyhawk	Custom
1985-1987	Buick	Skyhawk	Limited
1988-1989	Buick	Skyhawk	SE
1986-1987	Buick	Skyhawk	Sport
1985-1987	Buick	Skyhawk	T-Type
1990	Buick	Skylark	Base
1986-1990	Buick	Skylark	Custom
1990	Buick	Skylark	Gran Sport
1986-1989	Buick	Skylark	Limited
1990	Buick	Skylark	Luxury Edition
1986-1987	Buick	Somerset	Custom
1986-1987	Buick	Somerset	Limited
1986	Buick	Somerset	T-Type
1985	Buick	Somerset Regal	Base
1985	Buick	Somerset Regal	Limited
1985-1988	Cadillac	Cimarron	Base
1985-1986	Cadillac	Cimarron	d'Oro
1987-1991	Chevrolet	Beretta	Base
1989-1991	Chevrolet	Beretta	GT
1990-1991	Chevrolet	Beretta	GTZ
1990	Chevrolet	Beretta	Indianapolis 500 Pace Car
1985-1990	Chevrolet	Cavalier	Base
1985-1986	Chevrolet	Cavalier	CL
1985-1987	Chevrolet	Cavalier	CS
1986-1991	Chevrolet	Cavalier	RS
1985	Chevrolet	Cavalier	Type-10
1988-1991	Chevrolet	Cavalier	VL
1986-1991	Chevrolet	Cavalier	Z24
1987-1989	Chevrolet	Corsica	Base
1987-1988,1990-1991	Chevrolet	Corsica	LT
1989-1990	Chevrolet	Corsica	LTZ
1985	Oldsmobile	Calais	500
1985-1987	Oldsmobile	Calais	Base
1986	Oldsmobile	Calais	ES
1986-1987	Oldsmobile	Calais	GT
1985-1987	Oldsmobile	Calais	Supreme
1988-1990	Oldsmobile	Cutlass Calais	Base
1988-1990	Oldsmobile	Cutlass Calais	GT
1988-1990	Oldsmobile	Cutlass Calais	International
1989-1990	Oldsmobile	Cutlass Calais	S
1988-1990	Oldsmobile	Cutlass Calais	SL
1985-1988	Oldsmobile	Firenza	Base
1985	Oldsmobile	Firenza	Brougham LX
1985	Oldsmobile	Firenza	Brougham SX
1986-1988	Oldsmobile	Firenza	Cruiser
1985-1986	Oldsmobile	Firenza	Cruiser LX
1985	Oldsmobile	Firenza	Cruiser SX
1985	Oldsmobile	Firenza	ES
1985-1987	Oldsmobile	Firenza	GT
1986-1987	Oldsmobile	Firenza	LC
1986-1987	Oldsmobile	Firenza	LX
1986-1987	Oldsmobile	Firenza	S
1985-1988	Pontiac	Grand Am	Base
1985-1990	Pontiac	Grand Am	LE
1986-1990	Pontiac	Grand Am	SE
1985	Pontiac	J2000 Sunbird	Base
1985	Pontiac	J2000 Sunbird	LE
1985	Pontiac	J2000 Sunbird	SE
1986-1988	Pontiac	Sunbird	Base
1986-1991	Pontiac	Sunbird	GT
1989-1991	Pontiac	Sunbird	LE
1986-1991	Pontiac	Sunbird	SE
1991	Pontiac	Sunbird	Value Leader