Upgrade your beautiful 63-82 C3 Corvette with these custom made TRW Fiberglass Rear Springs. These are more reliable than the stock steel units and weigh 32 pounds less! These also reduce harshness, giving a smoother more consistent ride. Springs are available in three rates so you can achieve any ride and the handing qualities that you prefer.
- Standard, 315 lbs per inch rating
- Performance, 340 lbs per inch rating
- Heavy Duty, 355 lbs per inch rating
Tech Note: If you plan to reuse your differential cover always inspect and chase the bolt threads in the differential cover spring mount and cross-member mounting pads. Rust build-up inside the holes can cause the casting to crack during re-assembly.