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Since 1952

Pro Shocks® C320 Pro Coilover Kit - Large Body Threaded, 2-1/2 Inch

SAME DAY SHIPPING! Order within the next 3 hours 38 minutes and receive same day shipping

Pro Shocks® C320 Pro Coilover Kit - Large Body Threaded, 2-1/2 Inch

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Q & A

What's in the Box

For threaded large body shocks. Available for  2-1/2" I.D. springs.

Coil-Over Mounting Guide (GIF)

Coil-Over Illustration (GIF)

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Pro Shocks® C375 Coil-over Kit for SBA Small Body Shock
(Part #582375)

For early design Pro small body smooth aluminum shocks that have retaining clip groove, for 1-7/8" I.D. springs. 4" in length. SBA shocks are 1.63" O.D.

Note: Current Pro small body smooth aluminum shocks do not have the retaining clip groove and therefore are a non-coilover design shock. If a coil-over shock is required, a threaded body shock must be used in conjunction with coil-over kit 582-C330 for 1-7/8" springs or 582-C335 for 2-1/2" springs.

Coil-Over Mounting Guide (GIF)

Item Details

1-7/8" Spring I.D.
Pro Shocks SB51 Pro Small Body Steel Shock-5 In. Stroke, Comp 1, Reb 1
(Part #582SB51)


No Warranty, No Returns On Garage Sale Items

Pro Steel small body shocks have a non-adjustable zinc plated gas cell shock. Carbon steel shaft is chromed and centerless ground for longer seal life. Features a unique 1/2" removable bearing mount. Shocks are sold less bearing ends. OK for use with coil overs.  1.63 diameter.

5" Stroke -- Compression Length: 10.65", Extension Length: 15.65" 

Pro Small Steel Shock Chart Application (GIF)

Pro Shocks® A730B Aluminum 7 Inch Shock - Large Body, Comp 3, Reb 3
(Part #582A730B)

Pro Shocks® Ultimate Series shocks have dyno serial numbers and come with a dyno sheet. "A" Series Shocks feature a large smooth body shock.

Comp. Length: 12-1/2"
Ext. Length: 19-1/2"

Application Chart (GIF)

Pro Shocks® C335 Pro Coilover Kit - Small Body Threaded, 2-1/2 Inch
(Part #582C335)

For threaded small body shocks.

Coil-Over Mounting Guide (GIF)

Coil-Over Illustration (GIF)

Pro Coilover Kit - Clip Only
(Part #582528)
                        Pro Coilover Kit - Clip Only
QA1 7888-109 Coil-Over Thrust Bearing Kit
(Part #7217888)

This kit installs at the bottom of the 2-1/2" I.D. coil-over spring and allows easier adjustment of your ride height.

  • Includes two bearings and four washers
  • Kit services two coilovers
  • 2.512" I.D.
  • 3.233" O.D.