Take full control of ride quality, axle position, and suspension geometry with CFM Industries suspension components — engineered for 1973–1987 Squarebody Chevy/GMC pickups, K5 Blazers, Suburbans, and Jimmys. Available now through Blazin’ Biddles Off-Road, these heavy-duty upgrades deliver the strength, adjustability, and real-world performance your truck deserves.

Unlike stock hardware, CFM suspension parts are built to correct weak points, improve ride quality, and unlock true off-road performance — whether you’re dialing in shackle angle, fine-tuning axle placement, or chasing maximum flex.

✅ Direct Fit for Squarebody Models

• 1973–1987 Chevy/GMC C10, K10, C20, K20, C30, K30 pickups
• 1973–1991 K5 Blazer & GMC Jimmy
• 1973–1991 Chevy/GMC Suburbans

Bolt-on solutions designed specifically for your Squarebody.

⚙️ Available Suspension Upgrades

Adjustable Front Spring Hangers

• Heavy-duty bolt-on design strengthens a factory weak point
• Allows axle to be moved forward or backward for fitment & clearance
• Perfect for 52-inch front spring swaps

Adjustable Rear Spring Hangers

• Improves pinion angle control & traction under load
• Adjustable axle positioning
• Great for lifted trucks & rear spring upgrades

Shackle Flip Kit

• Reverses rear shackle orientation for smoother ride & more travel
• Adds 2.5–4 inches of lift
• Corrects poor stock geometry and boosts rear suspension flex

🔑 Why Choose CFM Suspension?

CFM Industries parts aren’t just stronger — they’re smarter. By fixing factory geometry and giving you adjustability where it matters, these upgrades let you custom-tune your suspension for off-road flex.