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Car & Truck Chassis & Suspension Parts
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.
Showing In Stock Items. Show All 62 Items.
Not Showing Customizable Items. View Customizable Items.
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R155-175
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R150-175
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R255-175
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R253-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R250-175
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R153-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Complete Chassis Kit, Full Chassis, SPEC, Pre-configured, Coilover Suspension, IFS, Ford 9 in. Axle, Black, Chevy, Pontiac, Camaro, Firebird, Kit
Part Number: RSR-6769CAMC-ST
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R252-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit
Part Number: QA1-R353-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R254-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R154-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R152-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Complete Chassis Kit, Full Chassis, SPEC, Pre-configured, Satin Black Powdercoated, Coilover Suspension, IFS, Ford 9 in. Axle, Ford, Mustang, Kit
Part Number: RSR-6470MUSTC-ST
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R251-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Complete Chassis Kit, Full Chassis, SPEC, Coilover Suspension, IFS, Ford 9 in. Axle, Chevy, Chevelle, Kit
Part Number: RSR-6872CHEVC-ST
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Complete Chassis Kit, Full Chassis, SPEC, Pre-configured, Coilover Suspension, IFS, Ford 9 in. Axle, Chevy, Tri-Five, Kit
Part Number: RSR-5557CHVYC-ST
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., A-Body, Dodge, Plymouth, Kit
Part Number: QA1-R350-175
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit
Part Number: QA1-R352-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit
Part Number: QA1-R351-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit
Part Number: QA1-R354-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R151-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., E-Body, Dodge, Plymouth, Kit
Part Number: QA1-R355-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Dana 60 Rear, Dodge, Plymouth, Kit
Part Number: QA1-R263-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Dana 60 Rear, Dodge, Plymouth, Kit
Part Number: QA1-R260-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Dana 60 Rear, Dodge, Plymouth, Kit
Part Number: QA1-R163-175
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
