-11%
Click to zoom in
Restore Support and Add Controlled Suspension Height
Skyjacker C125 is a 2.5 inch Softride progressive front spring package for supported classic Chevrolet and GMC applications. It combines application matched suspension geometry with durable components for street, towing, and off road use while maintaining predictable control.
Key Features
- Progressive multileaf design for controlled load response for the C125 package
- 2.5 inch nominal suspension lift height
- Load capacity equal to or greater than the original equipment spring
- American steel construction
- Shot peened spring leaves for improved fatigue resistance
- Limited lifetime manufacturer warranty
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 1973 to 1974 | Chevrolet | Blazer | |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1988 to 1991 | Chevrolet | Blazer | Scottsdale |
| 1987 to 1991 | Chevrolet | Blazer | Silverado |
| 1975 to 1981 | Chevrolet | K10 | Cheyenne |
| 1981 to 1986 | Chevrolet | K10 | Custom |
| 1975 to 1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975 to 1986 | Chevrolet | K10 | Scottsdale |
| 1975 to 1986 | Chevrolet | K10 | Silverado |
| 1973 to 1974 | Chevrolet | K10 Pickup | |
| 1973 to 1974 | Chevrolet | K10 Suburban | |
| 1981 to 1986 | Chevrolet | K10 Suburban | Custom |
| 1975 to 1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975 to 1980 | Chevrolet | K10 Suburban | Scottsdale |
| 1982 | Chevrolet | K10 Suburban | Scottsdale |
| 1984 to 1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975 to 1977 | Chevrolet | K10 Suburban | Silverado |
| 1979 to 1980 | Chevrolet | K10 Suburban | Silverado |
| 1982 to 1983 | Chevrolet | K10 Suburban | Silverado |
| 1985 to 1986 | Chevrolet | K10 Suburban | Silverado |
| 1975 to 1981 | Chevrolet | K20 | Cheyenne |
| 1981 to 1986 | Chevrolet | K20 | Custom |
| 1975 to 1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1975 to 1986 | Chevrolet | K20 | Scottsdale |
| 1975 to 1983 | Chevrolet | K20 | Silverado |
| 1985 to 1986 | Chevrolet | K20 | Silverado |
| 1973 to 1974 | Chevrolet | K20 Pickup | |
| 1973 to 1974 | Chevrolet | K20 Suburban | |
| 1981 to 1986 | Chevrolet | K20 Suburban | Custom |
| 1975 to 1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975 to 1980 | Chevrolet | K20 Suburban | Scottsdale |
| 1982 | Chevrolet | K20 Suburban | Scottsdale |
| 1984 to 1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1975 to 1977 | Chevrolet | K20 Suburban | Silverado |
| 1979 to 1980 | Chevrolet | K20 Suburban | Silverado |
| 1982 to 1983 | Chevrolet | K20 Suburban | Silverado |
| 1985 to 1986 | Chevrolet | K20 Suburban | Silverado |
| 1977 to 1981 | Chevrolet | K30 | Cheyenne |
| 1981 to 1986 | Chevrolet | K30 | Custom |
| 1977 to 1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977 to 1986 | Chevrolet | K30 | Scottsdale |
| 1977 to 1986 | Chevrolet | K30 | Silverado |
| 1976 | Chevrolet | K5 Blazer | |
| 1975 to 1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981 to 1986 | Chevrolet | K5 Blazer | Custom |
| 1975 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1977 to 1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978 | Chevrolet | K5 Blazer | Silverado |
| 1980 to 1986 | Chevrolet | K5 Blazer | Silverado |
| 1987 | Chevrolet | V10 | Custom Deluxe |
| 1987 | Chevrolet | V10 | Scottsdale |
| 1987 | Chevrolet | V10 | Silverado |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987 to 1988 | Chevrolet | V10 Suburban | Scottsdale |
| 1987 to 1988 | Chevrolet | V10 Suburban | Silverado |
| 1989 to 1991 | Chevrolet | V1500 Suburban | Scottsdale |
| 1989 to 1991 | Chevrolet | V1500 Suburban | Silverado |
| 1987 | Chevrolet | V20 | Custom Deluxe |
| 1987 | Chevrolet | V20 | Scottsdale |
| 1987 | Chevrolet | V20 | Silverado |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 to 1988 | Chevrolet | V20 Suburban | Scottsdale |
| 1987 to 1988 | Chevrolet | V20 Suburban | Silverado |
| 1989 to 1991 | Chevrolet | V2500 Suburban | Scottsdale |
| 1989 to 1991 | Chevrolet | V2500 Suburban | Silverado |
| 1987 | Chevrolet | V30 | Custom Deluxe |
| 1987 | Chevrolet | V30 | Scottsdale |
| 1987 | Chevrolet | V30 | Silverado |
| 1973 to 1991 | GMC | Jimmy | |
| 1975 to 1985 | GMC | Jimmy | High Sierra |
| 1975 to 1990 | GMC | Jimmy | Sierra Classic |
| 1975 to 1982 | GMC | Jimmy | Sierra Grande |
| 1975 to 1978 | GMC | K15 | |
| 1975 to 1978 | GMC | K15 | High Sierra |
| 1977 | GMC | K15 | Indy Hauler |
| 1975 to 1978 | GMC | K15 | Sierra Classic |
| 1975 to 1978 | GMC | K15 | Sierra Grande |
| 1973 to 1974 | GMC | K15/K1500 Pickup | |
| 1979 to 1986 | GMC | K1500 | |
| 1979 to 1986 | GMC | K1500 | High Sierra |
| 1979 to 1986 | GMC | K1500 | Sierra Classic |
| 1979 to 1982 | GMC | K1500 | Sierra Grande |
| 1975 to 1978 | GMC | K25 | |
| 1975 to 1978 | GMC | K25 | High Sierra |
| 1975 to 1978 | GMC | K25 | Sierra Classic |
| 1975 to 1978 | GMC | K25 | Sierra Grande |
| 1973 to 1974 | GMC | K25/K2500 Pickup | |
| 1979 to 1986 | GMC | K2500 | |
| 1979 to 1986 | GMC | K2500 | High Sierra |
| 1979 to 1986 | GMC | K2500 | Sierra Classic |
| 1979 to 1982 | GMC | K2500 | Sierra Grande |
| 1977 to 1978 | GMC | K35 | |
| 1977 to 1978 | GMC | K35 | High Sierra |
| 1977 to 1978 | GMC | K35 | Sierra Classic |
| 1977 to 1978 | GMC | K35 | Sierra Grande |
| 1979 to 1986 | GMC | K3500 | |
| 1979 to 1986 | GMC | K3500 | High Sierra |
| 1979 to 1986 | GMC | K3500 | Sierra Classic |
| 1979 to 1982 | GMC | K3500 | Sierra Grande |
| 1987 | GMC | V1500 | |
| 1987 | GMC | V1500 | High Sierra |
| 1987 | GMC | V1500 | Sierra Classic |
| 1987 | GMC | V2500 | |
| 1987 | GMC | V2500 | High Sierra |
| 1987 | GMC | V2500 | Sierra Classic |
| 1987 | GMC | V3500 | |
| 1987 | GMC | V3500 | High Sierra |
| 1987 | GMC | V3500 | Sierra Classic |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | C125 |
| UPC | Not provided |
| Product Type | Progressive multileaf front spring |
| Lift Height | 2.5 inches |
| Material | American steel |
| Position | Front |
| Quantity | Front spring package |
| Warranty | Limited lifetime |
What's Included
- Matched Softride front leaf springs
- Installed spring clips
- Application matched components for C125
About Skyjacker
Skyjacker has engineered suspension systems in West Monroe, Louisiana since 1970. The C125 application reflects the brand's focus on vehicle specific spring geometry, controlled ride quality, and durable components backed by a limited lifetime warranty.
Related Parts
- Skyjacker 2.5"SR 73-87 GM 1/2 W/RR SP
- Skyjacker 2.5"SR 73-87 GM 1/2 W/RR SP
- Skyjacker 2.5"SR 73-87 GM 1/2 W/RR SP
FAQ
What is the C125?It is a 2.5 inch Softride progressive front spring package for supported classic Chevrolet and GMC applications. The package is engineered as an application matched Skyjacker suspension solution for controlled ride height, clearance, and handling.
How much lift does this spring provide?The spring is designed for approximately 2.5 inches of suspension lift on supported applications.
Is the spring progressive rate?Yes. The Softride design uses a progressive multileaf pack to balance ride compliance and load support.
Is it made in the United States?The product data identifies American steel construction and United States origin.
Are bushings and U bolts included?This listing covers the spring component. Confirm whether the required bushings and new U bolts are included elsewhere in the complete system.
Can I replace only one spring?Axle pairs should be inspected together. Replacing springs in matched pairs is generally recommended when wear or ride height differs side to side.
Is alignment required after installation?Yes. Any suspension height change should be followed by a professional alignment and clearance inspection.
What warranty applies?Skyjacker lists a limited lifetime warranty against qualifying manufacturing defects.
Install Instructions
- Confirm C125 matches the vehicle and complete suspension configuration before disassembly.
- Raise and securely support the frame and axle according to the factory procedure.
- Remove the wheel, shock, U bolts, and spring hardware while maintaining full axle support.
- Remove the original spring and inspect the hangers, shackles, and bushings.
- Install the replacement spring in the correct orientation with compatible bushings and new U bolts.
- Lower the vehicle to normal ride height before final tightening of pivot hardware.
- Verify brake line, driveshaft, steering, and shock travel through the full suspension range.
- Perform an alignment and retorque the U bolts after the initial break in mileage.
Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
Leaf Springs & Accessories
Leaf springs and leaf spring accessories for trucks, SUVs, and off road builds are stocked at Black Ops Auto Works. Shop add a leaf kits, helper springs, replacement leaf spring packs, lowering flip kits, U-bolts, shackles, bushings, center pins, and tie bolts for Ford F-150, F-250, Ram 1500, 2500, and 3500, Toyota Tacoma and Tundra, Nissan Titan and Frontier, and Chevrolet and GMC truck platforms from Hellwig, Tuff Country, ICON, Skyjacker, MaxTrac, and ARB. Every leaf spring product is filterable by year, make, model, trim, cab configuration, and drivetrain so the correct pack rate, arch, and load rating ships the first time. Black Ops Auto Works carries 657 leaf spring SKUs across add a leaf, helper spring, replacement pack, and hardware categories. What This Collection Covers Leaf springs remain the primary rear suspension design on most half ton, three quarter ton, and one ton trucks because they handle high load capacity and towing duty better than coil or multi link desig...
View Leaf Springs & Accessories Products
Skyjacker
Skyjacker suspension parts are stocked at Black Ops Auto Works for Jeep, Ford, Chevrolet, GMC, RAM, and Toyota trucks and 4x4 vehicles. Shop lift kits, leveling kits, dual rate coil springs, Black Max, Nitro 8000, Hydro 7000, and ADX M2.0 shocks, steering stabilizers, upper control arms, and suspension hardware. Every product is filterable by year, make, model, trim, and drivetrain so the correct Skyjacker part ships the first time. Black Ops Auto Works carries 1,596 Skyjacker SKUs across lift, leveling, and off-road suspension categories. What This Collection Covers Skyjacker builds off-road suspension systems for trucks and Jeeps that need more ground clearance, better ride control, improved steering stability, and stronger trail capability. Skyjacker is best known for lift kits, leveling kits, and long travel coil springs. Product Categories Lift kits and component boxes, leveling kits and strut spacers, dual rate and long travel coil springs, Black Max, Nitro 8000, Hydro 700...
View Skyjacker Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products