List of products by brand AST Suspension

AST 2000 Series Coilovers for Mazda Miata (NB)
The AST 2000 Series Coilovers are a great, high-quality suspension upgrade. The AST 2000 series coilovers are designed to improve your car's balance for spirited driving, and are a great option for NB Miatas being used for trackdays. These perform at the upper limits of a twin-tube system, and feature fixed damping rates & springs.
$1,349.00
AST 5200 Series Coilovers for BR-Z / FR-S / GT86
The AST 5200 Series Coilovers offer 2-way adjustability for additional control over your suspension setup. The inverted strut designed minimizes unsprung weight to help cope with heavy side loads and braking loads. The AST 5200 series coilovers are designed for the serious enthusiast who wants a suspension setup that is designed for the track, but is still refined enough for the street. 
$5,202.41
AST 5300 Series Coilovers for BMW E46 M3 Coupe
The AST 5300 Series Coilovers offer 3-way adjustability for full control over your suspension setup. The inverted strut designed minimizes unsprung weight to help cope with heavy side loads and braking loads. The AST 5300 series coilovers are designed to be extremely reliable and require minimal maintenance. 
$5,972.62