For Drag Racing and Circle Track Racing the 9-Plus Mini-Spool locks both axles together.
It inserts into any 9 inch open carrier replacing the spider and gear setup. It
is precision machined and comes complete with Shaft and Pin.
Available in 28 spline and 31 spline.
94078 - Mini-Spool - 28 Spline
94079 - Mini-Spool - 31 Spline
94075 - Roll Pin - Each
94076 - Roll Pin - Lot of 100
94077 - Alloy differential shaft