QA1 · New
QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - 9in - 300lb/in - Alum
MPN DS42-300 · Store SKU qapDS42-300
Supplier stock checked 11/7/2026, 10:00:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
QA1 Coilover Shock and Spring Packages offer a convenient, easy to order, pair of shocks and their corresponding springs. These kits combine our best-selling Proma Star shocks with powder coated springs into one package that makes ordering more convenient and streamlined. Also included are a set of spanner wrenches and thrust bearings to make your ride height adjustments and ensure you have everything you need to finish the job. EASE OF USE Single adjustable shocks feature simple shock tuning. Simply firm or soften the ride quality with the turn of the 18 click adjustment knob. IMPROVED DRIVING EXPIERIENCE Tune your shocks firm for a track day or spirited driving, or soften them up for a comfortable cruise. TYPICAL USES Great for street cars, cruisers, or casual track day enthusiasts. RIDE HEIGHT The shocks should measure between 12in.-12.5in. from center of eyelet to center of eyelet when at vehicles desired ride height. More kits are available with other shock length options. SPRING RATE Spring rate selection can be very subjective and can vary depending on multiple variables and uses. : 300 lbs./in. Spring Rate: 1500-1800 lbs. solid axle weight recommended: This combination is not typically used for independent suspensions: More kits are available with other spring rate options Universal Coilover Package includes spanner wrenches, thrust bearings two shocks and two 300lb/in springs. S-Adj Shock 10.13 -14 Eye-B/Eye-B
Manufacturer fitment & guides
Check DS42-300 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
