HPI Racing Clutch Spring Tuning Set (0.8mm/0.9mm/1.0mm) – Savage XL Tuning Kit

Overview

The HPI Racing Clutch Spring Set for the Savage XL is a complete tuning kit containing replacement standard 0.8mm clutch springs (black) along with two optional sized springs — 0.9mm (silver) and 1.0mm (gold). This set enables you to fine-tune the clutch engagement (biting point) exactly to match your engine's torque characteristics.

Whether you're running a stock Savage XL Octane engine or a tuned aftermarket setup, this spring kit gives you the flexibility to dial in your clutch for optimal performance.

Key Features

• Genuine HPI Racing tuning kit
• Three different spring rates included
• 0.8mm Black (standard)
• 0.9mm Silver (optional firmer)
• 1.0mm Gold (optional firmest)
• Color-coded for easy identification

Performance Benefits

• Fine-tune clutch engagement to engine output
• Match clutch behavior to driving style
• Stiffer springs for high-torque engines
• Improved drivetrain protection
• Predictable launch behavior

Usage Notes

• Designed for the HPI Savage XL clutch system
• Stiffer springs = later/firmer engagement
• Softer springs = earlier engagement
• Match spring rate to engine torque output
• Test drive after each spring change

Technical Specs

• Manufacturer: HPI Racing
• Part Number: 113578
• Spring Sizes: 0.8mm, 0.9mm, 1.0mm
• Color Codes: Black / Silver / Gold

Fitment

• HPI Savage XL Octane
• HPI Savage XL platform variants
• 1/8 scale Savage XL chassis

What's Included

• 2x 0.8mm Black Standard Springs
• 2x 0.9mm Silver Optional Springs
• 2x 1.0mm Gold Optional Springs

Summary

Dial in your Savage XL's clutch performance with this complete HPI Racing Clutch Spring Tuning Set. Three rates, color-coded, and ready to optimize your launches.