AST Suspension Lowering Springs and Coilovers

Shop AST Suspension lowering springs, adjustable lowering spring kits, street and track coilovers, race springs, top mounts, adjustment tools, and motorsport air-jack components by exact manufacturer part number. Match vehicle-specific products by year, make, model, chassis, drivetrain, body style, factory suspension, and every application note. Select universal motorsport components by dimensions, rate, capacity, and interface.

Lowering Springs

AST lowering springs are application specific. Confirm the exact vehicle and suspension configuration together with the stated front and rear drop, spring design, damper compatibility, axle-load requirements, and included quantity.

Adjustable Lowering Spring Kits

Adjustable kits use part-specific spring and perch arrangements to fine-tune ride height within their stated range. Verify chassis, drivetrain, body style, factory damper or air-suspension setup, adjustment range, clearance, and alignment requirements.

Coilovers and Dampers

AST street and track systems vary by damper series, axle layout, adjustment functions, spring arrangement, top mounts, reservoirs, and included hardware. Match the exact part number and complete vehicle application before selecting a system.

Race Springs and Motorsport Components

Linear race springs are selected by free length, inner diameter, spring rate, available travel, and the suspension system's requirements rather than passenger-vehicle YMM. Tools and air-jack components likewise require exact dimensional, capacity, interface, and system verification.

How to Choose the Correct AST Suspension Product

• Match the exact AST manufacturer part number
• For direct-fit products, confirm year, make, model, chassis, drivetrain, body style, engine, and factory suspension
• Verify drop or adjustment range, spring rate, damper functions, axle arrangement, and included components
• For universal race parts, match every dimension, rate, capacity, mount, and system requirement
• Plan for safe installation, final ride-height measurement, clearance checks, and professional alignment

Frequently Asked Questions

How do I confirm an AST suspension kit fits my vehicle?
Match the exact part number plus the listed year, make, model, chassis, drivetrain, body style, engine, factory damper or air-suspension setup, and every application note.

Will lowering springs require an alignment?
Yes. Let the suspension settle, measure the final ride height, then complete a professional alignment and verify tire, wheel, brake-line, and suspension clearance.

Are springs, top mounts, and reservoirs included with every coilover kit?
No. Included components vary by AST series and exact part number. Confirm every spring, mount, reservoir, link, adjuster, tool, and hardware item before ordering.

How do I choose an AST linear race spring?
Match free length, inner diameter, spring rate, available travel, corner weight, motion ratio, preload target, and the damper manufacturer's spring requirements.

Browse lowering springs, coilovers, shocks and struts, and the complete suspension catalog.