SKU: 13710 | UPC: 698815137105
Tuff Country 73-87 Chevy Pickup/Blazer 3in Suspension System with Rear Blocks
Transform your classic 1973-1987 Chevrolet Pickup Blazer or GMC equivalent with the Tuff Country 13710 3-inch suspension system. This bolt-on kit uses tubular upper control arms for precise front lift and includes rear blocks with u-bolts to level the stance. Gain essential ground clearance for off-road trails while preserving smooth highway ride quality on K10 K5 K15 4x4 trucks and SUVs.
Key Features
- Tubular Upper Control Arms: Heavy-duty steel construction replaces weak factory stamped arms for greater strength durability and full suspension travel
- 2-inch Rear Lift Blocks: Cast iron blocks maintain proper driveline angles prevent axle wrap and pair with existing leaf springs
- Heavy-Duty U-Bolts: Grade 8 hardware secures blocks firmly ensuring long-term stability under heavy loads
- Powder Coated Finish: Black corrosion-resistant coating withstands harsh weather road salt and off-road abuse
- Bolt-On Design: Direct fit for 73-87 Chevy GMC 1/2-ton 4x4 no welding or cutting required
Product Notes
- Shocks and extended brake lines sold separately for complete setup
- Designed for stock height vehicles verify current ride height before purchase
- Kit weight 53 lbs ships in protective packaging
Installation Notes
- Professional installation recommended.
- Requires standard tools jack and jack stands 4-6 hours labor time
- Compatible with factory steering and drivetrain components
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1987 | Chevrolet | Blazer | Silverado |
| 1975-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1975-1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975-1986 | Chevrolet | K10 | Scottsdale |
| 1975-1986 | Chevrolet | K10 | Silverado |
| 1973-1974 | Chevrolet | K10 Pickup | Base |
| 1973-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1986 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978 | Chevrolet | K5 Blazer | Silverado |
| 1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1975-1978 | GMC | K15 Suburban | Sierra Grande |
| 1973-1974 | GMC | K15/K1500 Pickup | Base |
| 1973-1974 | GMC | K15/K1500 Suburban | Base |
| 1979-1986 | GMC | K1500 | Base |
| 1979-1986 | GMC | K1500 | High Sierra |
| 1979-1986 | GMC | K1500 | Sierra Classic |
| 1979-1982 | GMC | K1500 | Sierra Grande |
| 1975-1978 | GMC | K15 | High Sierra |
| 1977 | GMC | K15 | Indy Hauler |
| 1975-1978 | GMC | K15 | Sierra Classic |
| 1975-1978 | GMC | K15 | Sierra Grande |
| 1973-1987 | GMC | Jimmy | Base |
Why Choose Tuff Country?
- Engineered and manufactured in the USA since 1985 for reliable daily driving and off-road use
- Lifetime warranty on tubular control arms against defects
- Rigorously tested for proper geometry and alignment on classic Chevy GMC trucks
Frequently Asked Questions
-
Q: Will this kit fit my 1980 Chevrolet K10 Silverado 4x4?
A: Yes it fits 1975-1986 Chevrolet K10 Silverado and all listed 1/2-ton 4x4 models with leaf spring rear suspension -
Q: What materials are used in the control arms and blocks?
A: High-strength steel tubing for arms and durable cast iron for blocks all finished with powder coating -
Q: Does installation require special tools or modifications?
A: Bolt-on fit uses factory mounting points no cutting or welding basic mechanic tools suffice
Shipping & Handling
- Method: UPS Ground or Freight for heavy items
- Availability: In stock - ships same or next business day
- Packaging: Single oversized box 26 x 18 x 10 inches
- Weight: 53 lbs
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