1. COMPATIBLE WITH 9 INCH REAR AXLES: This full spool is specifically designed for vehicles with 9 inch Rearend, making it a precise fit for those looking to upgrade their performance without compatibility concerns.
2. REPLACEMENT PART NUMBER: This diff full spool is a direct replacement for part number FS9-28M1, providing a simple upgrade that enhances your vehicle's performance without the need for additional modifications.
3. FULL LOCKING FUNCTIONALITY: Offering complete locking capabilities for the rear end, this spool ensures maximum stability during high performance driving, making it ideal for track racing.
4. LIGHTWEIGHT DESIGN: Engineered to reduce rotational weight, this lightweight full spool enhances your vehicle's performance by improving acceleration and overall handling on the track.
5. PRECISE FIT: With spline locations identical to OEM differentials and final machining done after heat process, this full spool ensures accuracy for a direct replacement installation that requires no modifications.

Specification:
Item Type: Full Spool
Material: 4130 Molybdenum
Manufacturer Part Number: FS9 28M1
Application: Fit for 9 Inch 28 Spline Rearend

Package List:
1 x Full Spool

Note:
Please check the product appearance and part number before placing an order to confirm whether it is suitable for your vehicle. Thank you!