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Qa1

QA1 Heavy Duty Pro Rear Drag 4-Link System - Single Adjustable - 110lb Springs (2x qap14HT110, 2x qapDS701, 1x qap7838-1067, 1x qap7838-1068)

SKU: QAPR170-110

Suspension Link Kits

QAP Other Hardware

Qa1

QA1 Heavy Duty Pro Rear Drag 4-Link System - Single Adjustable - 110lb Springs (2x qap14HT110, 2x qapDS701, 1x qap7838-1067, 1x qap7838-1068)

SKU: QAPR170-110

Suspension Link Kits

QAP Other Hardware

A$3,642.71
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

QA1 HD Pro rear drag 4-link kits are built to put down serious power! Streamlining the fabrication process, these systems deliver professional-grade results and performance in a convenient, easy-to-order kit. They are designed for the hardcore, discerning, do-it-yourself racer looking for a no-compromise solution to take their vehicle to the next level in performance and adjustability.

Offered with or without QA1's MOD Series 4-way adjustable coilover shocks, or 7 in. travel, track-proven single or double adjustable coilover shocks, each kit contains high-quality, MIG-weldable components to ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. A components kit is also offered without coilover shocks and lateral locating device. Find convenience, safety, and performance all in a QA1 HD Pro rear drag 4-link system. Select the kit best suited to your drag race suspension setup.

Features, benefits, and contents:

* Drag race-style 4-link design:
-- Performance and adjustability
-- Wide range of instant center tuning and on-car adjustability
-- Components can be cut to length
-- 40 in. or narrower frame rails
* 1/4 in. thick plates
* 1 1/4 in. diameter, 22 in. length trailing arm tubes
* Grade 8 hardware
* QA1 chromoly rod ends
* 40 in. shock crossmember and mounting tabs
* 40 in. diagonal link kit with mounting brackets (not in components kit)

Product Overview

Product Overview: QA1's Heavy Duty Pro Rear Drag 4-link system streamlines the fabrication process, delivering professional-grade results and performance in a convenient, easy-to-order kit from one source. This 4-link system is designed for the hardcore, do-it-yourself racer looking for a solution to take their vehicle to the next level. High quality, MIG-weldable components ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. Find convenience, safety, and performance all from QA1 with the HD Pro Rear Drag 4-Link. Performance: This drag race-style 4-link design is known for its performance and adjustability, with a wide range of instant center tuning and on-car adjustability. The components can be cut to length to work in any setup with 40 inch or narrower frame-rails. QA1's 7 inch travel, track-proven shocks round out the kit and offer adjustability for track conditions, and plenty of travel. Heavy Duty Design: This heavy-duty design can handle demands of high-performance racing. With inch-thick plates, 1-1/4 inch trailing arm tubes, Grade 8 hardware, and QA1 chromoly rod ends, these kits are built to put down serious power. Adaptability: This kit contains all the components and hardware needed for assembly and mounting of the trailing arms, shocks, springs, and uses a diagonal link for lateral locating. All components can be purchased individually if different configurations are required. Look to QA1 for components that will help in any drag race suspension. Kit Contents: 22 Trailing arms, brackets, rod ends, tube adapters 40 shock crossmember and mounting tabs 40 Diagonal link kit with mounting brackets Grade 8 hardware Single Adjustable Coilover Shocks Register at QA1.net/warranty for lifetime coverage of your QA1 shocks Fitment Notes Welding required Trailing arm tubes and diagonal links can be cut to length Works with 3 in. axle tubes Works on 40 in. and narrower frame rails


Features and Benefits

  • Streamline your custom fabrication process
  • Heavy-duty design
  • Wide range of tunability
  • Includes all hardware
  • Best-in-class warranty
  • Made in the USA

Product Details

Brand:QA1
Description:QA1 Heavy Duty Pro Rear Drag 4-Link System - Single Adjustable - 110lb Springs
Manufacturer Part Number:R170-110
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Four-Link Suspension Assembly R170-110
UPC:806990175359

<style>@media screen and (max-width: 768px) {.thumb-column { display: none; }.upc-column { display: none; }}.sku-link { color: #1a0dab; text-decoration: underline; }</style><p><strong>This is a group bundle consisting of:</strong></p><table border='1' cellpadding='5' cellspacing='0' style='border-collapse: collapse; width: 100%;'><tr style='background-color: #444; color: #FFF; text-align: left;'><th class='thumb-column'>Image</th><th>Qty</th><th>SKU</th><th>MFR SKU</th><th class='upc-column'>UPC</th><th>Description</th></tr><tr><td class='thumb-column' align='center'><img src='https://static.summitracing.com/global/images/prod/xlarge/qa1-14ht110_xl.jpg' width='80' height='80'></td><td>2x</td><td data-sku='qap14HT110'><a href='https://www.streetfx.com.au/search/?query=qap14HT110' class='sku-link' target='_blank'>qap14HT110</a></td><td>14HT110</td><td class='upc-column'>806990113085</td><td>QA1 2-1/2in ID High Travel Spring - 14in Length x 110lbs/in - Silver Powder Coated</td></tr><tr><td class='thumb-column' align='center'><img src='https://static.summitracing.com/global/images/prod/xlarge/qa1-7838-1068_xl.jpg' width='80' height='80'></td><td>1x</td><td data-sku='qap7838-1068'><a href='https://www.streetfx.com.au/search/?query=qap7838-1068' class='sku-link' target='_blank'>qap7838-1068</a></td><td>7838-1068</td><td class='upc-column'>806990175410</td><td>QA1 40in Diagonal Link Kit w/ Mounting Brackets &amp;amp; Tube Adapters</td></tr><tr><td class='thumb-column' align='center'><img src='https://static.summitracing.com/global/images/prod/xlarge/qa1-ds301_jg_xl.jpg' width='80' height='80'></td><td>2x</td><td data-sku='qapDS701'><a href='https://www.streetfx.com.au/search/?query=qapDS701' class='sku-link' target='_blank'>qapDS701</a></td><td>DS701</td><td class='upc-column'>806990059871</td><td>QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bearing Mount - 13in/19.5in- Aluminum</td></tr><tr><td class='thumb-column' align='center'><img src='https://static.summitracing.com/global/images/prod/xlarge/qa1-7838-1067_ud_xl.jpg' width='80' height='80'></td><td>1x</td><td data-sku='qap7838-1067'><a href='https://www.streetfx.com.au/search/?query=qap7838-1067' class='sku-link' target='_blank'>qap7838-1067</a></td><td>7838-1067</td><td class='upc-column'>806990175427</td><td>QA1 Heavy Duty Pro Rear Drag 4-Link Component Kit</td></tr></table><p><em>Bundled group items may ship from multiple locations and could have slightly longer transit times if parts are sourced from different warehouses.</em></p><p><em>Images in this listing may include individual and/or group shots of the products included in the bundle. Please refer to the table to see a breakdown of what is included. Click on a SKU to see individual item details.</em></p><p style='margin-top:10px;'><strong>For details on the individual components in this bundle,
<a href='https://www.streetfx.com.au/search/?query=-QAPR170-110+qap14HT110+qap7838-1068+qapDS701+qap7838-1067'
target='_blank' style='color: #B22222; font-weight: bold; text-decoration: underline;'>
click here</a>.</strong></p>

Part Type

Four-Link Suspension Assembly

Data: v4.2 - Upd: 2026-10-02 00:46:56

Features

Streamline your custom fabrication process

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
R170-110
Product Attributes - Part Type
Suspension Link Kits
Product Attributes - Product Line
QA1 HD Pro Rear Drag 4-Link Systems
Product Attributes - UPC
806990175359
Product Attributes - Overall Length (in.)
28.79 in.
Product Attributes - Crossmember Included
No
Product Attributes - Diagonal Link Included
Yes
Product Attributes - Shock Mounts
Yes
Product Attributes - Wheelie Bar Mounts
Yes
Product Attributes - Tube Finish
Natural
Product Attributes - Tube Material
Steel
Product Attributes - Upper Tube Diameter (in.)
1.250 in.
Product Attributes - Lower Tube Diameter (in.)
1.250 in.
Product Attributes - Rod Ends Included
Yes
Product Attributes - Hardware Included
Yes
Product Attributes - Welding Required
Yes
Product Attributes - Axle Tube Diameter (in.)
3.00
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit includes single adjustable coilover shocks.

Reference Information

Brand Name/s Qa1
StreetFX SKU qapR170-110
SFX Item ID 4563188
Supplier Item Code 4563188
Manufacturer SKU R170-110
Manufacturer UPC N/A
Alternative References QA1, qap-14HT110, 14HT110, 2in, 14in, 110lbs

Compatibility

Application Data
  • UniversalYes
    Application NotesKit includes single adjustable coilover shocks.

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