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Buick Riviera [1963-1978] - Bolt pattern 5x127 What is the bolt pattern on a Buick Riviera?

You can see what car modifications of Buick Riviera [1963-1978] use 5x127 bolt pattern below:
I [1963 .. 1965]:
II [1966 .. 1970]:
III [1971 .. 1973]:
IV [1974 .. 1976]:
V [1977 .. 1978]:

Buick Riviera Bolt Pattern - Generations:

Buick Riviera has the following bolt patterns: 5x115, 5x120.65 and 5x127. The table below shows how the bolt pattern (PCD) of the Buick Riviera has changed over the life cycle, depending on the vehicle generation:
Generation Production Years Bolt pattern
I [1963 .. 1965] 1963-1965 5x127
II [1966 .. 1970] 1966-1970 5x127
III [1971 .. 1973] 1971-1973 5x127
IV [1974 .. 1976] 1974-1976 5x127
V [1977 .. 1978] 1977-1978 5x127
VI [1979 .. 1985] 1979-1985 5x120.65
VII [1986 .. 1993] 1986-1993 5x115
VIII [1995 .. 1999] 1995-1999 5x115
Tire Glossary
Tire terms you can see on this page

Wheel backspace is the distance from a wheel's mounting surface to the back edge of the wheel.

Offset is the distance in millimetres from the centre line of the wheel to the wheel’s mounting face. Given that the mounting face can be either in front of or behind the centreline, the offset can be either neutral, positive or negative.

The tires included with a new vehicle when it is purchased. OE tires are specifically chosen by the vehicle manufacturer to make the most of the vehicle's performance characteristics.

The Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes

A sales region is a global automotive region in which a vehicle was officially sold or is still being sold.

Ex.: 7J x 15 Rim width (inches) x rim diameter (inches)

The method of attaching a wheel to a hub: wheel nuts or wheel bolts

The torque value specified by the manufacturer for wheel bolts or wheel nuts, which is to be set when tightening on the torque tool (torque setting). A rotational force given in Newton metres (Nm) or foot-pounds (ft-lbs), wheel torque measures lug nut / bolts tightness