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Qa1

QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)

SKU: QAPR120-200

Rear Suspension Packages

QAP Coil-Over Conversion...

Qa1

QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)

SKU: QAPR120-200

Rear Suspension Packages

QAP Coil-Over Conversion...

A$6,704.65
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Qa1 StreetFX SKU qapR120-200 SFX Item ID 4095770 Accounting SKU qap-R120-200 Manufacturer SKU R120-200 Manufacturer UPC 806990155900 Alternative References QA1-R120-200, QA1R120-200, R120-200

Rear Suspension Kit - Single Adjustable - 200 lb/in Spring Rate - Crossmember / Panhard Bar / Shocks / Springs / Trailing Arms - Steel - Black Powder Coat - GM Fullsize Truck 1965-72 - Kit

QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)

Additional Information

Rear coil-over conversion kit for 65-72 F-100 trucks. Includes single adjustable shocks, high travel springs, and all hardware.

Part Type

Coilover Adjustable Spring Lowering Kit

Features and Benefits

  • Adjustable shock valving options for all driving styles
  • Best-in-class warranty
  • Easy bolt-in install
  • Made in the USA
  • QA1 uniquely engineered to enhance the performance of your vehicle
  • Ride height adjustability

Product Details

Brand:QA1
Description:QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)
Manufacturer Part Number:R120-200
Part Number:qapR120-200
Title:QA1 Coilover Overhaul Kit R120-200
UPC:806990155900

Product Overview

For the rear of 65-72 F-100s, QA1 engineered a unique torque arm design that maximizes performance without the inherent binding issues of other systems, all while achieving a 4" to 7" drop. This bolt-in system also offers unprecedented adjustability: the panhard bar, torque arm, trailing arms, bracket mounts, and shocks are all adjustable, and they are truly independent of each other, so your customers don't have to worry about one adjustment affecting another. Everything you need is included, all the way down to the hardware. All components included in these systems are proudly made in QA1's Lakeville, Minnesota facility. All QA1 shocks are 100% dyno tested and serialized.

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-10-13 16:43:56

Product Overview

For the rear of 65-72 F-100s, QA1 engineered a unique torque arm design that maximizes performance without the inherent binding issues of other systems, all while achieving a 4" to 7" drop. This bolt-in system also offers unprecedented adjustability: the panhard bar, torque arm, trailing arms, bracket mounts, and shocks are all adjustable, and they are truly independent of each other, so your customers don't have to worry about one adjustment affecting another. Everything you need is included, all the way down to the hardware. All components included in these systems are proudly made in QA1's Lakeville, Minnesota facility. All QA1 shocks are 100% dyno tested and serialized.


Features and Benefits

  • QA1 uniquely engineered to enhance the performance of your vehicle
  • Ride height adjustability
  • Adjustable shock valving options for all driving styles
  • Easy bolt-in install
  • Best-in-class warranty
  • Made in the USA

Product Details

Brand:QA1
Description:QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)
Manufacturer Part Number:R120-200
Part Number:qapR120-200
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Coilover Overhaul Kit R120-200
UPC:806990155900

Part Type

Coilover Adjustable Spring Lowering Kit

Data: v4.2 - Upd: 2026-10-13 16:43:56

Features

  • Adjustable shock valving options for all driving styles
  • Best-in-class warranty
  • Easy bolt-in install
  • Made in the USA
  • QA1 uniquely engineered to enhance the performance of your vehicle
  • Ride height adjustability

Specifications

Suspension Handling Package, Rear Coilover Conversion System, Single Adjustable, 200 lbs./in. Spring Rate, Ford, Kit

QA1 1965-72 F-100 rear coilover conversion systems offer unprecedented adjustability and maximum performance without any binding issues, and the ability to achieve a 4 in. to 7 in. drop. These bolt-in systems can be installed without removing the bed and everything you need is included, right down to the hardware. Kits are available with single or double adjustable shocks, and some specific kits include QA1 MOD Series coilovers.

Included in the systems:
• Adjustable shocks
• High-travel springs
• Coil-over hardware
• Adjustable trailing arms
• Adjustable panhard bar
• Panhard bar brace
• Adjustable torque arm
• Torque arm axle mount
• Torque arm crossmember
• All required nuts, bolts, etc.

Product Attributes
BrandQA1
Manufacturer's Part NumberR120-200
Part TypeRear Suspension Packages
Product LineQA1 1965-72 F-100 Rear Coilover Conversion Systems
UPC806990155900
Third Member IncludedNo
Axle Shafts IncludedNo
Upper Control Arms IncludedNo
Lower Control Arms IncludedNo
Air Bags IncludedNo
Rear Shocks/Struts IncludedYes
Rear Shock TypeSingle adjustable coilover
Coilover Springs IncludedYes
Coilover Spring Rate (lbs/in)200 lbs./in.
Spring FinishGray/Silver
Suspension Package FinishBlack powdercoated
Bushings IncludedNo
Sway Bar IncludedNo
Watts Link IncludedNo
Panhard Bar IncludedYes
Adjustable Panhard Bar IncludedYes
Adjustable Panhard Bar TypeOn car adjustable
Upper Trailing Arms IncludedNo
Adjustable Upper Trailing Arms IncludedNo
Lower Trailing Arms IncludedYes
Adjustable Lower Trailing Arms IncludedYes
Adjustable Lower Trailing Arms TypeOn car adjustable
Trailing Arm Mount Braces IncludedYes
Trailing Arm Hardware IncludedYes
Rotors IncludedNo
Calipers IncludedNo
QuantitySold as a kit.

Product Details

Brand:QA1
Description:QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)
Manufacturer Part Number:R120-200
Part Number:qapR120-200
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Coilover Overhaul Kit R120-200
UPC:806990155900

Reference Information

Brand Name/s Qa1
StreetFX SKU qapR120-200
SFX Item ID 4095770
Supplier Item Code 4095770
Manufacturer SKU R120-200
Manufacturer UPC 806990155900
Alternative References qa1, QA1R120-200, F100, (200lbs/in)

Brochures

Compatibility

QA1 65-72 Ford F100 Rear Coil-Over Conversion System - Medium - Single Adjustable (200lbs/in)
Year RangeMakeModelSubmodelsRegion
1965-1972 Ford F-100 Base US

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

Detailed Compatibility


Application Data
UniversalNo
MakeFORD
ModelF-100
SubmodelBASE
Beginning Year1965
Ending Year1972
Application NotesFor 4.000-7.000 in. of rear drop.
MakeFORD
ModelF-100
SubmodelBASE
Beginning Year1965
Ending Year1965
MakeFORD
ModelF-100
SubmodelBASE
Beginning Year1965
Ending Year1966

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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