The SPC Performance 37975 steering knuckle spreader safely and easily expands steering knuckles for ball joint service. Pry bars can gouge or damage the knuckle, but this tool spreads the knuckle in a controlled way using the adjustment nut. Its operating range fits most makes and models.
- Type: Steering knuckle spreader service tool
- Use: safe controlled knuckle expansion for ball joint work
- Operating range: 4.4 to 10 mm
- Fitment: universal, fits most makes and models
- Construction: steel, black oxide
- Sold each
- Part number: 37975
FAQ
What does the SPC 37975 steering knuckle spreader do?
It safely expands steering knuckles using an adjustment nut, avoiding the knuckle damage that pry bars can cause.
What range does the 37975 spreader cover?
It operates within a 4.4 to 10 mm range and fits most makes and models.
Is the SPC 37975 vehicle specific?
No. It is a universal service tool that fits most makes and models within its operating range.
How is the knuckle expanded with this tool?
The tool adjustment nut is turned to spread the knuckle in a controlled way, protecting the knuckle from damage.

