The front inner and outer CV's are very strong but the bars are not, this is a 300M bar upgrade including bars boots clamps and grease. You will need to take your CV's off and put them onto these bars.
The kit comes with (2) axle bars (4) boots and (8) clamps and grease.
Be very careful when ordering the bar upgrade as the axle from year to year are interchangeable but the internal spline (inside the boot) are different. If you're not sure, disassemble the axle and give us the spline counts. Subaru STI 05-07 Front Axle Bar Upgrade. The Driveshaft Shop axles are rated at 600HP making this a great upgrade for someone serious about drag racing and keeping axles in one piece!
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