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Updated for 2023 Dual Eibach Springs.

CNC Machined 1.5” Shaft Big Shocks 20" Travel 3.0” PRO SERIES BONZI Shocks are ideal for Custom  4-link Mega truck applications, sand cars and performance off-road vehicles.  Quality, design and innovative construction provide superior suspension control  and durability. Made in USA.


  • Multiple piston designs for street trucks to off-road racing.
  • Custom spring hardware for 3.75" springs
  • Billet 6061 CNC Machined shock top with 3/4" Chrome-moly heims.
  • All 3.0" shocks come with threaded steel big bore D.O.M. bodies.
  • Threaded preload adjuster.
  • Unlimited valving shim options including flutter stacks.
  • 3.0"x 15" Honed D.O.M steel reservoirs.
  • High strength 1.5" hard chrome steel shafts.
  • 3/4" chrome-moly lower heim.
  • 3000 psi Schrader valve.
  • Eibach Silver Springs 
  • Made in USA


Shocks require a Nitrogen charge to fine tune ride height.

150 psi Emulsion shocks at full extension.

150 psi Bonzi Reservoir shocks at full extension.

150-200 psi PRO Series Reservoir shocks at full extension.


Package includes:

(4) Shocks

(8)  3-3/4" SILVER Eibach Springs

Common Spring Packages 


900 lbs Mini Truck

1100 lbs Mini Truck w/ V8

1300 lbs Full Size Truck

1500 lbs Full Size 4 Door Truck

1700 lbs Full Size 4 Door Diesel

2000 lbs Super Duty 4 Door Diesel


500 lbs Mini Truck

700 lbs Mini Truck w/ V8

900 lbs Full Size Truck

1100 lbs Full Size 4 Door Truck

1300 lbs Full Size 4 Door Diesel

1500 lbs Super Duty 4 Door Diesel

Big Shocks 3.0" STEEL PRO Series - 20" Travel (4) Shock & Spring Packages

SKU: 3.0P20-4
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