Shop now for Spindles and Spindle Parts for 1977-1991 Chevy and GMC GM 10 Bolt Front Axles. Great selection. In stock. Quick Shipping.
1977-1991 GM 10 Bolt Front Axles use a double spindle nut set with a lockwasher for front wheel bearing adjustment and retention. The inner and outer nuts are the same for all years, but the Lockwasher was changed in 1982 when automatic locking hubs were introduced. The Inner Nut has a pin that engages with one of the holes in the lockwasher. The Outer Nut is a jam nut.