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Qa1

QA1 3-1/2in ID Tapered Spring - 8in Length x 375lbs/in - Chrome Plated

SKU: QAP8MB375

Coilover Springs

QAP Springs - 3-1/2 ID...

Qa1

QA1 3-1/2in ID Tapered Spring - 8in Length x 375lbs/in - Chrome Plated

SKU: QAP8MB375

Coilover Springs

QAP Springs - 3-1/2 ID...

A$226.79
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Springs for the stresses of racing! QA1 coil springs are designed to withstand the high-stress levels of modern suspensions. They are manufactured from high-quality chrome silicone steel, heat-treated and shot-peened, and then powdercoated or plated for protection and appearance. Each spring is guaranteed to be within five percent of its advertised rate.

Product Overview

GREAT APPEARANCE QA1’s chrome coil springs offer a clean, polished look for your suspension setup. These springs are available in a variety of lengths and rates to suit your build and are designed for use with coil-over shocks. Perfect for hot rods, street rods, and classic builds where style matters as much as performance. DESIGNED FOR QA1 MUSTANG II COIL-OVER SYSTEMS With an upper 3.5" inside diameter and lower 2.5" inside diameter, these tapered chrome coil springs are built to fit QA1 Mustang II coil-over conversion systems. LIFETIME GUARANTEE All QA1 springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions, giving you long-term confidence in your suspension performance.


Features and Benefits

  • Lifetime guarantee to remain within 2% of their original free height
  • Designed to be as light as possible with maximum travel and superb performance
  • High luster chrome finish offers the ultimate appearance

Product Details

Brand:QA1
Color:Silver
Description:QA1 3-1/2in ID Tapered Spring - 8in Length x 375lbs/in - Chrome Plated
End 1 Type:Flat
End 2 Type:Flat
Free Height:8
Grade Type:Performance
Height:200
Length:200
Load Rate:375
Manufacturer Part Number:8MB375
Material:Chrome Silicon Alloy
Maximum Inside Diameter:2.5
Part Number:qap8MB375
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Seat Included:No
Spring Load:375
Spring Rate:375
Spring Type:Coilover
Suspension Grade Type:Performance
Title:QA1 Coil Spring 8MB375
UPC:806990026279

Part Type

Coil Spring

Data: v4.2 - Upd: 2026-10-13 19:35:55

Features

  • Designed to be as light as possible with maximum travel and superb performance
  • High luster chrome finish offers the ultimate appearance
  • Lifetime guarantee to remain within 2% of their original free height

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
8MB375
Product Attributes - Part Type
Coilover Springs
Product Attributes - Product Line
QA1 Coil Springs
Product Attributes - UPC
806990026279
Product Attributes - Coilover Spring Inside Diameter (in.)
2.500-3.500 in.
Product Attributes - Coilover Spring Inside Diameter (mm)
63.50-88.90mm
Product Attributes - Coilover Spring Length (in.)
8.000 in.
Product Attributes - Coilover Spring Length (mm)
203.20mm
Product Attributes - Progressive Rate Spring
No
Product Attributes - Coilover Spring Rate (lbs/in)
375 lbs./in.
Product Attributes - Spring Finish
Chrome
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for models with a Mustang II independent front suspension. Lower I.D. 2.50 in. Upper I.D. 3.50 in.

Reference Information

Brand Name/s Qa1
StreetFX SKU qap8MB375
SFX Item ID 4092662
Supplier Item Code 4092662
Manufacturer SKU 8MB375
Manufacturer UPC 806990026279
Alternative References qa1, QA1-8MB375, 3-1/2in, 8in, 375lbs/in

Compatibility

Application Data
  • UniversalNo
    MakeFORD
    ModelMUSTANG II
    Beginning Year1974
    Ending Year1978
  • UniversalNo
    MakeFORD
    ModelMUSTANG II
    Submodel2+2
    Beginning Year1974
    Ending Year1974
  • UniversalNo
    MakeFORD
    ModelMUSTANG II
    SubmodelGHIA
    Beginning Year1974
    Ending Year1978
  • UniversalNo
    MakeFORD
    ModelMUSTANG II
    SubmodelMACH 1
    Beginning Year1974
    Ending Year1978

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