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What is a leaf spring? A leaf spring is a suspension component that is designed to suspend the weight of the vehicle, locate the vehicle’s axle, and help suppress the...
What is a leaf spring? A leaf spring is a suspension component that is designed to suspend the weight of the vehicle, locate the vehicle’s axle, and help suppress the effects of road imperfections. While most modern cars have abandoned leaf springs in favor of coil springs, leaf springs were quite common in cars and trucks before 1980, particularly in the rear suspension of the vehicle. Nowadays, you’ll still find leaf springs in a lot of heavy-duty applications, like in the rear suspension systems of large trucks, trailers, and heavy equipment.
Generally speaking, vehicle leaf springs consist of a few parts, starting...
What is a leaf spring? A leaf spring is a suspension component that is designed to suspend the weight of the vehicle, locate the vehicle’s axle, and help suppress the effects of road imperfections. While most modern cars have abandoned leaf springs in favor of coil springs, leaf springs were quite common in cars and trucks before 1980, particularly in the rear suspension of the vehicle. Nowadays, you’ll still find leaf springs in a lot of heavy-duty applications, like in the rear suspension systems of large trucks, trailers, and heavy equipment.
Generally speaking, vehicle leaf springs consist of a few parts, starting with multiple strips of steel, fiberglass, or composite plastic, arranged in an arc, and clamped together to form a single spring. The leaf spring is typically attached to the frame with a solid mount and bushing on one end and a leaf spring shackle mount and bushing at the other. The shackle affords the leaf spring some movement and makes installing replacement leaf springs a bit easier. Leaf springs are a part of your vehicle’s suspension system and, in addition to supporting vehicle weight, keep your axle centered under your vehicle to ensure your rear suspension and driveline remains stable.
As alluded to above, leaf springs perform well in heavy duty applications. And it’s often easy to upgrade or replace your leaf springs to add more cargo carrying capability. Adding an individual leaf spring or helper spring to an existing leaf spring pack can increase the leaf spring’s capacity too. While applications vary, leaf helper spring kits or add-a-leaf kits typically just clamp on to the leaf spring pack to help stiffen the original leaf spring and suppress sag.
Think you need replacement leaf springs? Some symptoms of a bad leaf spring include excess body bounce, lean, or roll. You may also notice your vehicle sagging more, particularly when heavily loaded or pulling a trailer, which puts more stress on your leaf springs. Worn leaf spring bushings, either in the spring itself or the leaf spring shackle, can introduce unpleasant jolts and vibration into the cabin as well.
If you’re searching for replacement leaf springs for your car, truck, or SUV, start shopping by your specific vehicle application right here at Summit Racing. With hundreds in stock, you’re bound to find the perfect leaf spring kit for your ride.
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Leaf Springs, Lowering, 1.50 in Drop, Multi-Leaf, Hardware included, Rear, Black Painted, Buick, Chevy, Olds, Pontiac, Pair
Part Number: HSS-2407C
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs, Rear, Lowering, 1.50 in Drop, Multi-Leaf, All Hardware included, Rear, Black Painted, 70-81 Chevy, 70-73 Pontiac, Bolt-On, Pair
Part Number: HSS-2408C
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 4.0 in. Lift, Black, Chevy, GMC, Each
Part Number: BDX-BDS001409
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Front, 4.0 in. Lift, Black, Chevy, GMC, Each
Part Number: BDX-BDS001401
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Front, 4.0 in. Lift, Black, Ford, Each
Part Number: BDX-BDS003401
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Front or Rear, 2.0 in. Lift, for 2.5 in. Wide, Progressive Spring Rate, Black, Jeep, Each
Part Number: BDX-BDS004200
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs Performance, Lowering, Sport, Rear, Geometry Corrected; 1.00 in. Drop, Black Painted, Dodge, Pair
Part Number: HSS-24385WH
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 5.5 in. Lift, Black, Chevy, GMC, Each
Part Number: BDX-BDS001559
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 4.0 in. Lift, Black, Ford, Each
Part Number: BDX-BDS003408
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lowering Springs, Rear, Black, Dodge, Plymouth, Kit
Part Number: HSS-24367
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Spring, 2.0 in. Lift, Progressive, 3.0 in. Wide, without Bushings, Rear, Black, RWD or 4WD, Ford, Small Truck/SUV, Each
Part Number: BDX-BDS003208
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Front, 2.5 in. Lift, Black, Jeep, Each
Part Number: BDX-BDS004251
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs, Rear, Lowering, 1 in Drop, Multi-Leaf, Geometry Corrected for Mopar B-Body, Bolt-On, Black Painted, w/Mount Hware, Dodge, Plymouth, Kit
Part Number: HSS-24366
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 2.5 in. Lift, Black, Jeep, Each
Part Number: BDX-BDS004259
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs, Rear, Lowering, 1.50 in Drop, Multi-Leaf, All Hardware included, Rear, Black Painted, 74-81 Pontiac, Bolt-On, Pair
Part Number: HSS-2409C
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Spring, Glide Ride, Progressive, Rear, 4.0 in. Lift, 2.5 in. Wide, 42 in. Free Length Eyelet-to-Eyelet, Black Finish, Jeep, CJ5, CJ7, 4WD, Each
Part Number: BDX-BDS004409
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs, Lowering, 1.50 in Drop, Multi-Leaf, Rear, Black Painted, Chevy, Pontiac, Bolt-On, Pair
Part Number: HSS-2407
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Front, 4.0 in. Lift, Black, Jeep, Each
Part Number: BDX-BDS004401
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lowering Spring, Leaf, Rear, Black, 2 in. Drop, 190 lbs./in. Spring Rate, Chevy, Pontiac, Pair
Part Number: BMR-SP057
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Spring; Lowering, Sport, Rear, Geometry Corrected; 1.00 in. Drop, Black Painted, Dodge, Pair
Part Number: HSS-24385
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Performance Leaf Springs, 1967-69 Camaro/68-74 Nova &74-81 Firebird
Part Number: HSS-2413
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Front, 4.0 in. Lift, Black, Ford, Each
Part Number: BDX-BDS003402
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 6.0 in. Lift, Black, Chevy, GMC, Each
Part Number: BDX-BDS001608
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Leaf Springs, Rear, Lowering, 1 in Drop, Diamond Cut Multi-Leaf, Geometry Corrected for Mopar B-Body, Bolt-On, Black Painted, Dodge, Plymouth, Pair
Part Number: HSS-24366WH
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Lift Springs, Progressive, Rear, 6.0 in. Lift, Black, Chevy, GMC, Each
Part Number: BDX-BDS001609
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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