• Home
  • INVENTORY
    • ALL INVENTORY
      • BOAT INVENTORY
      • ENGINE DRIVERS
      • GOLF CARTS INVENTORY
      • MOTOCYCLE INVENTORY
      • OUTBOARD INVENTORY
      • POWER EQUIPMENT
      • PRE-OWNED INVENTORY
      • USED OUTBOARD MOTORS
      • WELDING
      • MIXED USED OUTBOARD MOTOR
    • BOAT INVENTORY effects
      • AB INFLATABLE BOATS
      • AVON BOATS
      • ACHILLES INFLATABLE BOATS
      • BARLETTA BOATS
      • FLEXBOAT
      • MERCURY BOATS
      • NITRO BOATS
      • RANGER BOATS
      • REFLEX BOATS
      • REGENCY BOATS
      • SUN TRACKER BOATS
      • TAHOE BOATS
      • ZODIAC BOATS
    • OUTBOARD INVENTORY Unlimited
      • EVINRUDE OUTBOARDS
      • HONDA OUTBOARDS
      • MERCURY OUTBOARDS
      • SUZUKI OUTBOARDS
      • TOHATSU OUTBOARDS
      • TORQEEDO OUTBOARDS New
      • YAMAHA OUTBOARDS
    • USED OUTBOARD MOTORS
      • HONDA OUTBOARD MOTORS
      • EVINRUDE OUTBOARD MOTORS
      • YAMAHA OUTBOARD MOTORS
      • TOHATSU OUTBOARD MOTORS
      • SUZUKI OUTBOARD MOTORS
      • NISSAN OUTBOARD MOTORS
    • Snow Blowers
      • SINGLE STAGE SNOW BLOWERS
      • 2-STAGE SNOW BLOWERS
      • 3-STAGE SNOW BLOWERS
    • WELDING
      • MIG Welders
      • TIG WELDERS
      • STICK WELDERS
  • OUR SERVICES
    • BOATS AND OUTBOARDS SERVICES
    • SERVICE
    • SERVICE APPOINTMENT
    • PARTS REQUEST
  • Brand
    • TYPES OF BRANDS
    • BOAT BRANDS
    • OUTBOARD BRANDS
  • Financing
    • FINANCE
    • GET A QUOTE
    • GLOBAL MARINE INSURANCE
  • Customer Corner
    • NEWSLETTER SIGNUP
    • READ TESTIMONIALS
    • FAQ
    • ABOUT US
    • OUR VIDEOS
    • PHOTOS
    • BLOG
    • OUTBOARD MOTORS FOR SALE
  • Contact us
Login / Register
Search
Wishlist
8 items $48,064.00
Menu
8 items $48,064.00
“BIG BLUE 600 PRO KUBOTA DELUXE W” has been added to your cart. View cart
“DMI EZIMCA4.12 Saturday Night Special Bulldog Quick Change Axle” has been added to your cart. View cart
Click to enlarge
Home Car Chassis & Suspension Kits QA1 Four Link Conversions R156-170
RideTech Bolt-On 4-Link Systems 11377199
RideTech Bolt-On 4-Link Systems 11377199 $1,425.00
Back to products
UMI Performance Stage 2 Handling Kits FBF002-R
UMI Performance Stage 2 Handling Kits FBF002-R $1,599.00

QA1 Four Link Conversions R156-170

$1,222.00

✔ Eliminates Leaf Springs – Modern 4-Link Design for Precision Handling
✔ Single Adjustable Coilover Shocks for Tunable Ride Comfort & Performance
✔ Adjustable Upper & Lower Trailing Arms for Fine-Tuned Suspension Geometry
✔ Accommodates Wider Wheels & Tires for Enhanced Stance & Grip
✔ No Floor Pan Modifications Required – Thoughtful Bolt-On Design
✔ Easy Adjustability for Ride Height, Pinion Angle & Wheelbase
✔ Minimal Welding Required for Effortless Installation

💡 Transform your vehicle’s rear suspension with QA1’s 4-link conversion system – the perfect balance of comfort, handling, and performance!

15 in stock

Compare
Add to wishlist
Category: Car Chassis & Suspension Kits
Share:
  • Description
  • Reviews (0)
  • Shipping & Delivery
Description

🔥 QA1 Four-Link Conversion – Ultimate Rear Suspension Upgrade!

The QA1 Four-Link Conversion (R156-170) is a high-performance upgrade that replaces traditional leaf springs with a fully adjustable 4-link rear suspension. Designed for both street and track applications, this kit provides greater traction, better ride quality, and fine-tuned suspension control.

🔧 Minimal welding required – easy setup and installation!

🔥 Perfect for pro-touring, muscle cars, and drag racing applications where precise rear suspension tuning is key!


🔹 What’s Included in the Kit?

✅ Single Adjustable Rear Coilover Shocks – Provides custom damping adjustments for performance or comfort
✅ 170 lbs./in. Coilover Springs (Gray/Silver Finish) – Designed for balance between ride quality & performance
✅ Double Adjustable Upper Trailing Arms – Allows on-car pinion angle adjustments
✅ Single Adjustable Lower Trailing Arms – Fine-tune wheelbase & suspension alignment
✅ Trailing Arm Mount Braces for Added Stability – Enhances chassis rigidity
✅ Spherical Bearing Bushings – Reduces deflection for better handling response
✅ All Necessary Mounting Hardware for a Secure Fit
✅ Spanner Wrench for Easy Coilover Adjustments

🚀 Upgrade to QA1’s 4-link suspension and experience the difference in ride quality, handling precision, and performance tuning!


🔹 Technical Specifications

Feature Details
Brand QA1
Manufacturer Part # R156-170
Product Type Rear Suspension Conversion Kit
Third Member Included? ❌ No
Axle Shafts Included? ❌ No
Upper Control Arms Included? ❌ No
Lower Control Arms Included? ❌ No
Rear Shocks Included? ✅ Yes (Single Adjustable Coilover)
Coilover Springs Included? ✅ Yes
Spring Rate (lbs/in.) 170 lbs./in.
Suspension Package Finish Black Powdercoated
Trailing Arm Mount Braces Included? ✅ Yes
Adjustable Upper Trailing Arms? ✅ Yes (Double Adjustable)
Adjustable Lower Trailing Arms? ✅ Yes (Single Adjustable)
Bushings Included? ✅ Yes (Spherical Bearing)
Sway Bar Included? ❌ No
Watts Link Included? ❌ No
Panhard Bar Included? ❌ No
Brake Components Included? ❌ No
Quantity Sold as a kit

⚡ Gain better traction, suspension articulation, and stability with this premium four-link conversion kit!


🔹 Fitment & Compatibility

✔ Designed for Vehicles Looking to Upgrade from Leaf Springs to a Modern 4-Link Setup
✔ Compatible with Coilover Suspension Systems for Fine-Tuned Ride Height & Handling
✔ Ideal for Street Performance, Pro-Touring, and Drag Racing Applications

💡 Perfect for enthusiasts who want a rear suspension system that balances daily drivability with high-performance handling!


🔹 Installation Notes & Tips

🔧 Minimal Welding Required – Designed for a Smooth Installation
⚙️ Adjust Ride Height, Pinion Angle & Wheelbase with a Few Tweaks – No Link Removal Needed
🔩 Ensure Proper Suspension Alignment After Installation for Maximum Performance
🛠 Pair with Performance Coilovers for Ultimate Handling & Comfort

⚠️ Professional Installation Recommended for Best Suspension Tuning & Setup


❓ Frequently Asked Questions (FAQ)

🔹 How does a 4-link suspension improve handling?

  • A triangulated 4-link setup eliminates axle wrap, improves traction, and provides superior handling compared to traditional leaf spring designs.

🔹 Do I need to modify my floor pan to install this kit?

  • No! This system is designed to fit without requiring floor pan modifications.

🔹 Can I adjust my ride height and suspension geometry with this kit?

  • Yes! The adjustable coilovers and trailing arms allow for easy tuning of ride height, pinion angle, and wheelbase.

🔹 Is this kit suitable for daily driving?

  • Absolutely! QA1’s single adjustable shocks allow for ride comfort customization, making it perfect for both daily driving and performance applications.

🔹 Do I need to purchase additional parts for installation?

  • No, this kit includes everything needed for installation—just ensure you have the required welding capabilities or professional assistance.

🔥 Call to Action – Upgrade to a High-Performance 4-Link Suspension Today!

🏆 Ditch your outdated leaf springs and gain total control over your rear suspension with the QA1 Four-Link Conversion Kit!

✔ Fully Adjustable 4-Link Design for Maximum Performance & Comfort
✔ Single Adjustable Coilovers for Ride Height & Suspension Tuning
✔ Perfect for Street, Pro-Touring, & Drag Racing Applications
✔ Minimal Welding Required – Direct Fit with No Floor Modifications

🛒 Order Now & Experience a New Level of Suspension Performance! 🚀

Overview

Brand:
QA1
Manufacturer’s Part Number:
R156-170
Part Type:
Rear Suspension Packages
Product Line:
QA1 Four Link Conversions
Summit Racing Part Number:
QA1-R156-170
UPC:
806990175199
Third Member Included:
No
Axle Shafts Included:
No
Upper Control Arms Included:
No
Lower Control Arms Included:
No
Air Bags Included:
No
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Single adjustable coilover
Coilover Springs Included:
Yes
Coilover Spring Rate (lbs/in):
170 lbs./in.
Spring Finish:
Gray/Silver
Suspension Package Finish:
Black powdercoated
Bushings Included:
Yes
Bushing Material:
Spherical bearing
Sway Bar Included:
No
Watts Link Included:
No
Panhard Bar Included:
No
Adjustable Panhard Bar Included:
No
Upper Trailing Arms Included:
Yes
Adjustable Upper Trailing Arms Included:
Yes
Adjustable Upper Trailing Arms Type:
Double adjustable
Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Type:
Single adjustable
Trailing Arm Mount Braces Included:
Yes
Trailing Arm Hardware Included:
Yes
Rotors Included:
No
Calipers Included:
No
Quantity:
Sold as a kit.
Notes:
Welding is required. Includes spanner wrench for coilovers.
Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “QA1 Four Link Conversions R156-170”
Review now to get coupon!

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Compare
Quick view
Add to wishlist
Add to cart

QA1 R132-250 73-87 C10 Rear Suspension Conversion Kit

Car Chassis & Suspension Kits
$2,245.00
Compare
Quick view
Add to wishlist
Add to cart

QA1 HK22-GMF1 Handling Kit, Level 2, 67-69 GM F-Body, W/ Shocks

Car Chassis & Suspension Kits
$2,500.00
Compare
Quick view
Add to wishlist
Add to cart

9 Inch Ford Rear Axle Kit w/Posi 3rd Member, 56 Inch.

Car Chassis & Suspension Kits
$1,780.00
Compare
Quick view
Add to wishlist
Add to cart

1923 Plain Budget T-Bucket Frame Assembly, Chevy

Car Chassis & Suspension Kits
$2,075.00
Compare
Quick view
Add to wishlist
Add to cart

Winters Performance MOD REAR 5 4.86 Inch 6-Bolt QC Rear End, Complete

Car Chassis & Suspension Kits
$2,600.00
Compare
Quick view
Add to wishlist
Add to cart

Winters Performance 8021037 Spiral Bevel Sprint Car Rear End

Car Chassis & Suspension Kits
$1,700.00
Compare
Quick view
Add to wishlist
Add to cart

QA1 52622-S750 Coil-Over/Crossmember Kit, 63-72 C10, SA, 750 Lb

Car Chassis & Suspension Kits
$3,790.00
Compare
Quick view
Add to wishlist
Add to cart

QA1 52622-S650 Coil-Over/Crossmember Kit, 63-72 C10, SA, 650 Lb

Car Chassis & Suspension Kits
$3,789.00
X-Factor

Welcome to X Factors Motors, your trusted source for top-quality outboard motors, boats, welding machines, and more. With a legacy spanning a decade, we take pride in being a leading name in the industry, delivering excellence and innovation to our valued customers.

  • 2007 E Orangethorpe Ave, Placentia, CA 92870
  • Phone: +1 (920) 825-2512
  • E-mail: [email protected]
Recent Posts
  • 🚤 How to Extend the Lifespan of Your Outboard Motor (Ultimate Guide)
    March 20, 2025 No Comments
  • 🚤 Best Outboard Motor Brands: Which One Should You Buy? (2025 Guide)
    March 20, 2025 No Comments
Our stores
  • BOAT INVENTORY
  • ENGINE DRIVES
  • OUTBOARD INVENTORY
  • POWER EQUIPMENT
  • WELDING
  • USED OUTBOARD MOTORS
USEFUL LINKS
  • Privacy Policy
  • Returns
  • Terms & Conditions
  • Shipping Policy
  • Warranty & Documents
  • Our Sitemap
Footer Menu
  • PARTS REQUEST
  • GET A QUOTE
  • BOAT BRANDS
  • OUTBOARD BRANDS
  • SERVICE
  • NEWSLETTER SIGNUP
X Factors Motors 2024 | All Rights Reserved.
payments
  • Menu
  • Categories
  • BOAT INVENTORY
    • AB INFLATABLE BOATS
    • ACHILLES INFLATABLE BOATS
    • AVON BOATS
    • BARLETTA BOATS
    • FLEXBOAT
    • MERCURY BOATS
    • NITRO BOATS
    • RANGER BOATS
    • REFLEX BOATS
    • REGENCY BOATS
    • SUN TRACKER BOATS
    • TAHOE BOATS
    • ZODIAC BOATS
  • Engine Drives
  • GOLF CARTS INVENTORY
  • MIG Welders
  • OUTBOARD INVENTORY
    • EVINRUDE OUTBOARDS
    • HONDA OUTBOARDS
    • MERCURY OUTBOARDS
    • SUZUKI OUTBOARDS
    • TOHATSU OUTBOARDS
    • TORQEEDO OUTBOARDS
    • YAMAHA OUTBOARDS
  • POWER EQUIPMENT
  • PRE-OWNED INVENTORY
  • SNOW BLOWERS
    • SINGLE STAGE SNOW BLOWERS
    • 2-STAGE SNOW BLOWERS
    • 3-STAGE SNOW BLOWERS
  • Stick Welders
  • TIG Welders
  • TRAILER INVENTORY
  • Uncategorized
  • USED OUTBOARD MOTORS
    • Evinrude Outboard Motors
    • Honda Outboard Motors
    • Mercury Outboard Motors
    • Mixed Used Outboard Motor
    • Nissan Outboard Motors
    • Suzuki Outboard Motors
    • Tohatsu Outboard Motors
    • Yamaha Outboard Motors
  • Welding
  • Home
  • OUR SERVICES
    • SERVICE
    • BOATS AND OUTBOARDS SERVICES
    • PARTS REQUEST
    • SERVICE APPOINTMENT
  • BRANDS
    • BOAT BRANDS
    • OUTBOARD BRANDS
    • TYPES OF BRANDS
  • FINANCING
    • FINANCE
    • GET A QUOTE
    • GLOBAL MARINE INSURANCE
  • CUSTOMER CORNER
    • ABOUT US
    • BLOG
    • FAQ
    • NEWSLETTER SIGNUP
    • OUR VIDEOS
    • OUTBOARD MOTORS FOR SALE
    • PHOTOS
    • READ TESTIMONIALS
  • Contact us
  • Wishlist
  • Compare
  • Login / Register
Shopping cart
Close
Sign in
Close

Lost your password?

No account yet?

Create an Account
Start typing to see products you are looking for.
5
Rated 5 out of 5
0%
4
Rated 4 out of 5
0%
3
Rated 3 out of 5
0%
2
Rated 2 out of 5
0%
1
Rated 1 out of 5
0%
With images (0) Verified (0)
All stars(0)
  • All stars(0)
  • 5 stars(0)
  • 4 stars(0)
  • 3 stars(0)
  • 2 stars(0)
  • 1 star(0)
Shop
Wishlist
8 items Cart
My account