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Suspension and Components Shocks, Struts, Coil-Overs and Components

QA1 Precision Products, Inc

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - 9in - 450lb/in - Alum

$753.27 $709.68 Save $43.59

SKU: Q00B DS42-450

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: DS42-450

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.: 450 lbs./in. Spring Rate: 1300-1600 lbs. independent suspension axle weight recommended: This combination is not typically used with a solid axle: More kits are available with other spring rate options

Features:

  • Spanner wrenches and thrust bearings are provided standard in this kit
  • Achieve the ultimate balance of ride quality and performance with simultaneous adjustment of rebound and compression valving
  • Limited Lifetime Warranty for peace of mind

Universal Coilover Package includes spanner wrenches, thrust bearings two shocks and two 450lb/in springs.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B DS42-450

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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