QA1 DD403 Proma Star Coil-Over Shock, 15.000/11.125 Ext/Comp

Ask a Question

Has independent compression and rebound adjustment
Each shock is 100% dyno tested and serialized
They are revalvable and rebuildable by the QA1 factory or QA1 authorized service centers

$309.95

Factory Shipped

This part will be shipped by the manufacturer. We estimate this item will ship on or before June 8th.

Add to a list

Select a vehicle to verify Fitment

Select Vehicle

Product Summary

Universal Fit, 12.75" Mounted Length, 4.00 Shock Stroke

Has independent compression and rebound adjustment
Each shock is 100% dyno tested and serialized
They are revalvable and rebuildable by the QA1 factory or QA1 authorized service centers
Features a centerless ground, hard chrome plated, solid piston rod
Made from lightweight aluminum with a clear anodized finish for added protection

See more details

Key Specs

Mounted Length	12.75"
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Shock Stroke	4.00

See more specs

Need To Know

This Product Will Ship Free

Need help?

Quick and Easy Returns

QA1 DD403 Details

QA1's double adjustable shocks have 324 valving options, with 18 positions of compression adjustment and 18 positions of rebound adjustment. There are no jumps when adjusting between any two clicks. Each adjustment has been carefully defined to provide the ideal force curve to maximize performance.

Independent Compression and Rebound Adjustment
Coil-Over
Lightweight Aluminum
Ride Height Adjustable
Spring Mounting Hardware Included
100% Dyno Tested and Serialized
Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
American Made
Precision Machined Aluminum
Piston with PTFE
Centerless Ground, Hard Chrome Plated, Solid Piston Rod
Three Step Sealing System

Warranties

Limited Lifetime Warranty (PDF)

CA Prop 65

QA1 DD403 Specifications

KEY SPECS
MFG. Part #	DD403
Brand	QA1
Mounted Length	12.75"
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Shock Stroke	4.00
Upper Shock Mount	Bearing
Lower Shock Mount	Bearing
Finish	Anodized

GENERAL
Speedway Motors Catalog Part #	721-DD403
Compressed Length Range	11.00" to 11.99"
Compressed Length	11.13"
Extended Length Range	15.00" to 15.99"
Extended Length	15"
Spring Length	10 Inch
Number of Valving Selections	324
Mounted Length Range	12 1/2" - 13 1/4"
Body Diameter	2.00"
Adjustable	Yes
GTIN Code	806990059765