Corvette Lower Suspension Cradles (Rear)

​Standard and Custom Width Cradles for Custom Applications

 

Measuring from the rotor to rotor wheel mounting surfaces, (or WMS) the cradles are available in thirteen widths – Standard Corvette, which is 66.75” – as well as 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12-inch narrower versions.  (More information on the widths is available in Section 12 - How to Determine the Proper Width Corvette Interface Kit.)

The major difference between the C5 and C6 rear cradles is where the differential mounts are located.  The C5 differential utilizes a single mount in the rear, whereas the C6 differential has dual mounts - one on each side. 

So here at Dobbertin Performance, when we need to narrow a rear cradle for a specific application, we almost exclusively use the C5 cradles.  In addition to the differential mount locations, the C5 cradle design offers us a better configuration for the placement of the additional bracing.

 

All thirteen widths utilize the identical C5 adapters, and are narrowed by removing material from the center of the lower cradle. 

 

The cradle to the left has had 8" removed from the center.  It is then secured to a set of jigs - top and bottom and welded back together.

 

The two photos below show the same 8" narrowed cradle. 

 

The welds have been detailed, and the assembly has been reinforced with the addition of a 3/8" x 8" 3-slotted aluminum plate up front and a 1" x 3" solid aluminum plate in the rear.

Below left is a stock, full-width C5 cradle with a 12" narrowed version behind it - complete with the steel bracing.  The steel bracing is only necessary on the 10", 11" and 12" narrowed versions because so much of the cradle's aluminum has to be removed from the cradle to allow clearance for the differential.

 

On the right is the 12" narrowed cradle with the C5 Corvette 6-speed transaxle nestled in between the adapters.

C5 / C6 Corvette Rear Cradles

All Cradles are pressure-washed and inspected for damage and/or twists.

Standard Width C5                                                           $150.00

1" - 6" Narrowed C5                                                        $625.00

7" - 12" Narrowed C5                                                      $550.00

Machining for C5 Differential (7" - 9")                          $100.00

Machining & Bracing for C5 Differential (10" - 12")    $225.00

Standard Width C6                                                          $200.00

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