QA1 DS501-175V1 Pro-Rear System Single Adjustable 175/350Lb

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Upgrade your rear end with QA1's Pro-Rear System
Available in the MOD series, double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance
With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks

$750.95

Factory Shipped

This part will be shipped by the manufacturer. We estimate this item will ship on or before October 4th.

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Product Summary

Universal Fit, Rear Position, 175 lbs. Spring Rate

Upgrade your rear end with QA1's Pro-Rear System
Available in the MOD series, double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance
With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks
These Pro-Rear Systems are commonly used in drag racing, street performance and street rod applications
Lightweight Aluminum

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Key Specs

MFG. Part #	DS501-175V1
Position	Rear
Spring Rate	175 lbs.
Shock Body Material	Aluminum
Finish	Powder Coated

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QA1 DS501-175V1 Details

Upgrade your rear end with QA1's Pro-Rear System
Available in the MOD series, double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance
With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks
These Pro-Rear Systems are commonly used in drag racing, street performance and street rod applications
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
Precision Machined Aluminum Piston with PTFE Piston Band
5/8" Centerless Ground
Hard Chrome Plated
Solid Piston Rod
Three Step Sealing System
Made in the USA
Kit includes:, (2) Proma Star Shocks or Aluma Matic Shocks, (2) Linear or Variable Rate Springs, All Mounting Hardware.

Guides & Documents

Coilovers Instruction Sheet (721DS501175V1)

CA Prop 65

QA1 DS501-175V1 Specifications

KEY SPECS
MFG. Part #	DS501-175V1
Brand	QA1
Position	Rear
Spring Rate	175 lbs.
Shock Body Material	Aluminum
Finish	Powder Coated

GENERAL
Compressed Length Range	11.00" to 11.99"
Compressed Length	11.63"
Extended Length Range	16.00" to 16.99"
Extended Length	16.88"
Number of Valving Selections	18
Bushing Material	Steel
Body Diameter	2"
Sold in Quantity	Kit
Hardware Included	Yes
Crossmember Included	No
Welding Required	Yes
Gas Charged	No
Color	Silver
Suspension Height Adjustment	0.0-1.5 Inch Lowered
Recommended Rear End Weight	1,551-1,850 lbs.
Notes	For use with 3.250 diameter axles. Coilover shocks are single adjustable Proma Star DS501 shocks. Springs are 12 variable rate 12HT175/350 springs. Includes a 1.625 O.D. x 0.095 wall x 40.000 long weld-in tube.
GTIN Code	806990145079
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	Yes
Bushing Color	Natural
Lower Mount	Bearing
Upper Mount	Bearing