The Sonnax 28922‑11K Planetary Carrier Assembly Bolt is a high-quality bolt kit designed for rebuilds and upgrades in GM Powerglide automatic transmissions. Sold in convenient six-piece sets, these fasteners feature a durable button-head design and precise 3/8‑16 × 1.00″ thread specification, ensuring a tight, secure fit for the planetary carrier assembly throughout the drivetrain.

Manufactured to Sonnax’s exacting standards, these bolts resist loosening under high torque and repeated thermal cycles, helping to maintain proper gear alignment and prevent catastrophic failure. Ideal for both OEM restoration efforts and high-performance Powerglide builds, the 28922‑11K bolts provide dependable strength and consistent performance in every installation, delivering peace of mind in demanding driving and racing environments.

Package Quantity: 6

Specs: