SuperPro Rear Spring Insulator (Standard) — Fits 1965-1968 Triumph TR4A, 1968-1976 TR6

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Superpro

Superpro engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Superpro lineup with fast shipping and expert fitment support — order with confidence.

SuperPro Rear Spring Insulator for Triumph TR4A & TR6

Maintain the integrity of your classic Triumph's rear suspension with the SuperPro Rear Spring Insulator. Designed to fit between the coil spring and its mounting point, this standard thickness insulator plays a crucial role in preventing metal-on-metal contact, reducing noise, and ensuring the spring sits correctly. Over time, original insulators can degrade, leading to rattles and potential damage to suspension components.

Features and Benefits:

  • Protects Suspension: Acts as a barrier between the spring and the chassis, preventing wear and damage.
  • Reduces Noise: Helps to dampen vibrations and eliminate squeaks or rattles originating from the spring mounting area.
  • Ensures Proper Seating: Guarantees the coil spring is correctly positioned for optimal suspension performance.
  • Durable Material: Made from high-quality, resilient material designed to withstand the stresses of suspension movement.
  • Exact Fitment: Specifically engineered for the 1965-1968 Triumph TR4A (Base) and the 1968-1976 Triumph TR6 (Base) models.

This spring insulator is a small but vital component for maintaining the ride quality and longevity of your classic Triumph. Replacing worn or missing insulators is a cost-effective way to address suspension noise and ensure proper function.

Keep your vintage Triumph performing its best. Get the SuperPro Rear Spring Insulator today from GGCRACING and ensure a quieter, more stable ride.

Vehicle Fitment

Years Make Model Trim
1965-1968 Triumph TR4A Base
1968-1976 Triumph TR6 Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Superpro

Superpro engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Superpro lineup with fast shipping and expert fitment support — order with confidence.

SuperPro Rear Spring Insulator for Triumph TR4A & TR6

Maintain the integrity of your classic Triumph's rear suspension with the SuperPro Rear Spring Insulator. Designed to fit between the coil spring and its mounting point, this standard thickness insulator plays a crucial role in preventing metal-on-metal contact, reducing noise, and ensuring the spring sits correctly. Over time, original insulators can degrade, leading to rattles and potential damage to suspension components.

Features and Benefits:

  • Protects Suspension: Acts as a barrier between the spring and the chassis, preventing wear and damage.
  • Reduces Noise: Helps to dampen vibrations and eliminate squeaks or rattles originating from the spring mounting area.
  • Ensures Proper Seating: Guarantees the coil spring is correctly positioned for optimal suspension performance.
  • Durable Material: Made from high-quality, resilient material designed to withstand the stresses of suspension movement.
  • Exact Fitment: Specifically engineered for the 1965-1968 Triumph TR4A (Base) and the 1968-1976 Triumph TR6 (Base) models.

This spring insulator is a small but vital component for maintaining the ride quality and longevity of your classic Triumph. Replacing worn or missing insulators is a cost-effective way to address suspension noise and ensure proper function.

Keep your vintage Triumph performing its best. Get the SuperPro Rear Spring Insulator today from GGCRACING and ensure a quieter, more stable ride.

Vehicle Fitment

Years Make Model Trim
1965-1968 Triumph TR4A Base
1968-1976 Triumph TR6 Base

Product Details

Product Description

About Superpro

Superpro engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Superpro lineup with fast shipping and expert fitment support — order with confidence.

SuperPro Rear Spring Insulator for Triumph TR4A & TR6

Maintain the integrity of your classic Triumph's rear suspension with the SuperPro Rear Spring Insulator. Designed to fit between the coil spring and its mounting point, this standard thickness insulator plays a crucial role in preventing metal-on-metal contact, reducing noise, and ensuring the spring sits correctly. Over time, original insulators can degrade, leading to rattles and potential damage to suspension components.

Features and Benefits:

  • Protects Suspension: Acts as a barrier between the spring and the chassis, preventing wear and damage.
  • Reduces Noise: Helps to dampen vibrations and eliminate squeaks or rattles originating from the spring mounting area.
  • Ensures Proper Seating: Guarantees the coil spring is correctly positioned for optimal suspension performance.
  • Durable Material: Made from high-quality, resilient material designed to withstand the stresses of suspension movement.
  • Exact Fitment: Specifically engineered for the 1965-1968 Triumph TR4A (Base) and the 1968-1976 Triumph TR6 (Base) models.

This spring insulator is a small but vital component for maintaining the ride quality and longevity of your classic Triumph. Replacing worn or missing insulators is a cost-effective way to address suspension noise and ensure proper function.

Keep your vintage Triumph performing its best. Get the SuperPro Rear Spring Insulator today from GGCRACING and ensure a quieter, more stable ride.

Vehicle Fitment

Years Make Model Trim
1965-1968 Triumph TR4A Base
1968-1976 Triumph TR6 Base

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