Description
INDYCNC W-Body Rear Suspension Reinforcement Kit – Demo Derby
Strengthen the weak points before they fail. The INDYCNC W-Body Rear Suspension Kit is designed specifically for bubble-style W-body cars running a strut-style rear suspension in demolition derby competition. This kit reinforces critical rear suspension components to help keep your car tracking straight after hard hits.
⚠️ NOT for mono-leaf rear suspension setups.
This kit is intended only for W-body cars with strut-style rear suspension.
The kit includes four trailing arm reinforcements (two per side) and all four rear lateral link reinforcements, targeting common failure points that bend or tear out under derby abuse. Whether you weld them in or bolt them in, these reinforcements are built to add durability where it matters most.
⚠️ Hardware is NOT included.
If bolting instead of welding, 1/4″ bolts and nuts are required.
Features:
- Designed for bubble-style W-body cars
- For strut-style rear suspension ONLY
- NOT compatible with mono-leaf rear suspension
- Reinforces trailing arms and lateral links
- Includes:
- (4) trailing arm reinforcements (2 per side)
- (4) rear lateral link reinforcements
- Can be welded or bolted in place
- Hardware not included
- Built by INDYCNC for demo derby abuse
Ideal For:
- Demo derby W-body builds
- Strengthening rear suspension weak points
- Drivers looking to improve rear-end durability
If you’re running a W-body and want your rear suspension to survive the hits, the INDYCNC W-Body Rear Suspension Reinforcement Kit is a proven upgrade to keep you moving when others are folding up.










