Brothers Trucks Rear Cross Sill Fleetside Chevy/ GM Trucks 58-59
Highlights
- Fleetside Wood Floor
- Structural Bed Support
- Factory-Style Replacement
- Bolt-On Installation
Brothers Trucks Rear Cross Sill for 1958-1959 Fleetside Chevy and GM Trucks.
Restore the strength and alignment of your classic truck bed with this rear cross sill from Brothers Trucks, designed specifically for 1958-1959 Chevy and GMC Fleetside trucks with wood floors. Positioned beneath the rear of the bed, this structural component securely ties both bedsides together while providing the proper mounting points for the bed wood and bed strips.
Manufactured to factory specifications, this replacement rear cross sill is an ideal solution for replacing rusted, weakened, or damaged originals. Its factory-style design ensures proper fitment, helping return your truck bed to its original strength while simplifying installation during restoration.
Features and Benefits:
- Designed for Fleetside beds with wood floors
- Factory-style replacement
- Connects both bedsides together
- Supports bed wood and bed strips
- Mounts beneath the rear of the truck bed
- Restores structural bed integrity
- Bolt-on installation
Vehicle Fitment:
- 1958-1959 Chevy Truck 3100, 3600, 3800 (Task-Force)
- 1958-1959 GMC Truck 100, 150, 250 (Blue-Chip)
California Residents: Proposition 65 Warning











