STRF41 Hardened S2 Steel Outdrive Cups For 4Tec 2.0 3.0 Upgrade Built For Tough Racing And Bashing CNC Machined Durability Wear Resistant Increases Strength And Longevity For 4Tec Series RC Cars
✔️ Hardened CNC S2 steel outdrive cups with nitride coating, included
The STRF41 hardened outdrive cup set is built for the TRA 4-Tec 2.0/3.0 line, delivering a durable upgrade with nitride-coated, hardened CNC machined S2 tool steel. The kit includes two outdrive cups, two screw shafts, and three drive shaft cushions, and is designed for easy installation with blue threadlocker or Hot Racing SPL2TL06. Best used with Hot Racing STRF288F and STRF288R CV axles; color is Black.
✅ Hardened CNC machined S2 tool steel construction
✅ Nitride coating provides wear and corrosion resistance
✅ Includes two outdrive cups, two screw shafts, three drive shaft cushions
✅ Replaces stock TRA 8353; works with TRA 8350 & 8351 dog bones and Hot Racing CV axles
✅ Installation requires medium strength thread lock on screw shafts (blue threadlocker or SPL2TL06)
✅ Color: Black
💡 What is an outdrive cup and why upgrade to hardened steel?
Upgrading to hardened steel cups helps stand up to racing stress and rough bashing. - Increases durability at the drive interface- Improves wear resistance with nitride-coated steel
- Extends lifespan when paired with compatible axles and dog bones
- Fits TRA 4-Tec 2.0/3.0 platforms and Hot Racing CV axles
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