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'67-72 A-Body K-Member |
(V8 Shown)
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There are several ways to determine whether a 67-72 A-Body K-member is a S6 or V8. |
• With the motor in car, measure from the frame rail to the side of perch
• The V8 should measure approximately 4" across
• The S6 should measure approximately 2" across
• If the engine is not installed, you can measure across the top from perch to perch
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• The V8 should measure approximately 20" across
• The S6 should measure approximately 22 1/4" across
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'67-69 A-Body Original B/RB K-Member |
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• Detail of driver's side perch.
Note the two 7/16" slots are
similar to the 63-65 B-Body.
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• Note the passenger side perch
is identical to the passenger side
perch in the 66-72 B-Body.
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'63-66 A-Body V8 & S6 K-Member |
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'66-70 B & E-Body Hemi K-Member |
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• Detail of driver's side perch
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'66-72 B-Body / '70-74 E-Body V8 K-Member |
('70 & up style shown)
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• The 66-73 C-Body K-member is different, but the perch is the same.
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• Sway bar mounting points. The 66-69
style has sway bar mounts in front of K-member.
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'66-72 B-Body / '70-74 E-Body S6 K-Member |
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'63-65 B-Body V8 K-Member |
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• Note two 7/16" slots
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'63-65 B-Body S6 K-Member |
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• Note single large 3/4" slot
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'73 & up V8 K-Member |
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The easiest way of differentiating between 73 & up V8 and S6 K-members is to measure the inside of the perch. |
• The S6 measures 2 3/4" across
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• The V8 measures 3 3/4" across
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'73 & up S6 K-Member |
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• Detail of driver's side perch
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