Description

QA1 diagonal link kits help streamline the fabrication process of building a drag race-style 4-link. Designed to be heavy-duty to handle the demands of high-performance racing, the kits offer high-quality, MIG-weldable components to ensure a safe, easy to install, and properly engineered product. QA1's diagonal link kits pair up great with their HD Pro rear 4-link systems, but can be easily adaptable into most drag race setups.

Kit contents, features, and benefits:

* 1 in. diameter x 40 in. length of tubing
-- Can be cut to length to work in most setups
-- 40 in. or narrower frame rails
* Pre-bent and drilled mounting brackets
-- Make installation into 1/2 in. trailing arm bolts a breeze
* Grade 8 hardware
* QA1 chromoly, high-misalignment rod ends
-- Standard in strength and offer generous mounting flexibility

Product Overview

Product Overview: QA1's Diagonal Link Kit helps streamline the fabrication process, of building a drag race style 4-Link. This diagonal link kit pairs up great with the QA1 HD Pro Rear 4-Link systems, but can be easily adaptable into most drag race setups. High quality, MIG-weldable components ensure a safe and properly engineered design. Performance and Adaptable Design: This heavy-duty design can handle the demands of high-performance racing. The 1 inch diameter by 40 inch length of tubing can be cut to length to work in most setups with 40 inch or narrower frame-rails. Pre-bent and drilled mounting brackets make installation into inch trailing arm bolts a breeze. Grade 8 hardware and QA1 chromoly, high misalignment rod ends are the standard in strength and offer generous mounting flexibility. Look to the provided dimensional diagrams and renderings to help with your custom install. Kit Contents: 40 Diagonal link kit with mounting brackets and tube adapters Grade 8 hardware kit Made in the USA Fitment Notes Works on 40 in. and narrower frame rails

Features and Benefits

• Heavy-duty design
• 40in. Length
• Includes all required mounting hardware
• Made in the USA

Product Details

Brand:	QA1
Description:	QA1 40in Diagonal Link Kit w/ Mounting Brackets & Tube Adapters
Manufacturer Part Number:	7838-1068
Part Number:	qap7838-1068
Prop 65 - Short Label:	WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:	Yes
Title:	QA1 Lateral Arm 7838-1068
UPC:	806990175410

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	qapR170-110	QA1 Heavy Duty Pro Rear Drag 4-Link System - Single Adjustable - 110lb Springs (2x qap14HT110, 2x qapDS701, 1x qap7838-1067, 1x qap7838-1068)
	qapR170-150	QA1 Heavy Duty Pro Rear Drag 4-Link System - Single Adjustable - 150lb Springs (2x qap14HT150, 2x qapDS701, 1x qap7838-1067, 1x qap7838-1068)
	qapR270-110	QA1 Heavy Duty Pro Rear Drag 4-Link System - Double Adjustable - 110lb Springs (2x qap14HT110, 2x qapDD701, 1x qap7838-1067, 1x qap7838-1068)
	qapR270-150	QA1 Heavy Duty Pro Rear Drag 4-Link System - Double Adjustable - 150lb Springs (2x qap14HT150, 2x qapDD701, 1x qap7838-1067, 1x qap7838-1068)
	qapR370-110	QA1 Heavy Duty Pro Rear Drag 4-Link System - MOD Shocks - 110lb Springs (2x qap14HT110, 1x qapM711PL, 1x qapM711PR, 1x qap7838-1067, 1x qap7838-1068)
	qapR370-150	QA1 Heavy Duty Pro Rear Drag 4-Link System - MOD Shocks - 150lb Springs (2x qap14HT150, 1x qapM711PL, 1x qapM711PR, 1x qap7838-1067, 1x qap7838-1068)

Data: v4.2 - Upd: 2026-10-15 05:08:29

Features

Specifications

Product Attributes - Brand

QA1

Product Attributes - Manufacturer's Part Number

7838-1068

Product Attributes - Part Type

Diagonal Links

Product Attributes - Product Line

QA1 Diagonal Link Kits

Product Attributes - UPC

806990175410

Product Attributes - Diagonal Link Style

Bolt-on

Product Attributes - Diagonal Link Length (in.)

40.000 in.

Product Attributes - Diagonal Link Diameter (in.)

1.00 in.

Product Attributes - Diagonal Link Thickness (in.)

0.109 in.

Product Attributes - Diagonal Link Material

Steel

Product Attributes - Diagonal Link Color

Natural

Product Attributes - Rod Ends Included

Yes

Product Attributes - Rod End Head Bore Size

0.500 in.

Product Attributes - Mounting Bracket Hole Diameter (in.)

0.52

Product Attributes - Quantity

Sold as a kit.

Compatibility