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UPPER AND LOWER SADDLE & U-BOLT KITS
(1967-1998) & (1999-2013) & (2014-2023)
CAST STEEL LOWER U-BOLT PLATE KITS STAMPED STEEL LOWER UBOLT PLATE KITS
| APPLICATION – With Cast Steel Lower U-Bolt Plates | PART# | U-BOLT SIZE |
| (1967-1998) Chevy/GMC C10&C20, K10&K20 With 2-1/2″ Wide Rear Springs | BT5-222CK | 9/16″ x 7-1/2″ |
| BT5-216CK | 9/16″ x 8-1/2″ | |
| BT5-217CK | 9/16″ x 9-1/2″ | |
| BT5-218CK | 9/16″x 10-1/2″ | |
| BT5-223CK | 9/16″ x 11-1/2″ | |
| BT5-224CK | 9/16″ x 12-1/2 | |
| BT5-250CK | 9/16″ x 13-1/2″ | |
| BT5-251CK | 9/16″ x 14-1/2″ | |
| BT5-252CK | 9/16″ x 15-1/2″ | |
| BT5-253CK | 9/16″ x 16-1/2″ | |
| BT8-225CK | 5/8″ x 7-1/2″ | |
| BT8-203CK | 5/8″ x 8-1/2″ | |
| BT8-204CK | 5/8″ x 9-1/2″ | |
| BT8-205CK | 5/8″ x 10-1/2″ | |
| BT8-226CK | 5/8″ x 11-1/2″ | |
| BT8-227CK | 5/8″ x 12-1/2″ | |
| BT8-260CK | 5/8″ x 13-1/2″ | |
| BT8-261CK | 5/8″ x 14-1/2″ | |
| BT8-262CK | 5/8″ x 15-1/2″ | |
| BT8-263CK | 5/8″ x 16-1/2″ | |
| APPLICATION – With Stamped Steel Lower U-Bolt Plates | PART# | U-BOLT SIZE |
| (1999-2013) Chevy/GMC Silverado & Sierra With 2-1/2″ Wide Rear Springs | BT5-228CK | 9/16″ x 7-1/2″ |
| BT5-219CK | 9/16″ x 8-1/2″ | |
| BT5-220CK | 9/16″ x 9-1/2″ | |
| BT5-221CK | 9/16″ x 10-1/2″ | |
| BT5-229CK | 9/16″ x 11-1/2″ | |
| BT5-230CK | 9/16″ x 12-1/2″ | |
| BT5-254CK | 9/16″ x 13-1/2″ | |
| BT5-255CK | 9/16″ x 14-1/2″ | |
| BT5-256CK | 9/16″ x 15-1/2″ | |
| BT5-257CK | 9/16″ x 16-1/2″ | |
| BT8-231CK | 5/8″ x 7-1/2″ | |
| BT8-206CK | 5/8″ x 8-1/2″ | |
| BT8-207CK | 5/8″ x 9-1/2″ | |
| BT8-208CK | 5/8″ x 10-1/2″ | |
| BT8-232CK | 5/8″ x 11-1/2″ | |
| BT8-233CK | 5/8″ x 12-1/2″ | |
| BT8-264CK | 5/8″ x 13-1/2″ | |
| BT8-265CK | 5/8″ x 14-1/2″ | |
| BT8-266CK | 5/8″ x 15-1/2″ | |
| BT8-267CK | 5/8″ x 16-1/2″ | |
| APPLICATION – With Cast Steel Lower U-Bolt Plates | PART # | U-BOLT SIZE |
| (2014-2023) Chevy/GMC Silverado & Sierra With 2-1/2″ Wide Rear Springs | BT5-407CK | 9/16″ x 7-1/2″ |
| BT5-408CK | 9/16″ x 8-1/2″ | |
| BT5-409CK | 9/16″ x 9-1/2″ | |
| BT5-410CK | 9/16″ x 10-1/2″ | |
| BT5-411CK | 9/16″ x 11-1/2″ | |
| BT5-412CK | 9/16″ x 12-1/2″ | |
| BT5-413CK | 9/16″ x 13-1/2″ | |
| BT5-414CK | 9/16″ x 14-1/2″ | |
| BT5-415CK | 9/16″ x 15-1/2″ | |
| BT5-416CK | 9/16″ x 16-1/2″ |
Chevy/GMC Leaf Spring Upper & Lower Saddle & U-Bolt Kits
ATS Springs offers complete upper and lower U-bolt saddle kits for Chevy and GMC full-size pickups and select C/K series trucks. These kits are designed to replace rusted, cracked, or worn leaf spring saddles and provide a secure foundation for your rear suspension.
Features and Benefits
- Complete Kits: Includes upper and lower saddles, U-bolts, and Grade 8 hardware
- Vehicle Coverage: Fits Chevy/GMC C&K pickups, Silverado, Sierra, and some C30/K30 series (verify measurements)
- Multiple Generations: Kits available for 1967–1998, 1999–2013, and 2014–2023 models
- Easy Installation: Kits are pre-assembled for one or both sides, saving time and simplifying installation
- Durable Components: Replaces original saddles with high-quality, rust-resistant parts
Why Replace Your Saddles & U-Bolts?
Leaf spring saddles can rust, crack, or deteriorate over time, compromising suspension performance and safety. Replacing worn saddles and U-bolts ensures proper alignment, load distribution, and handling.
ATS Advantage
- Pre-assembled kits for faster installation
- High-quality Grade 8 U-bolts and hardware
- Expert support to confirm fit for your truck
ATS Springs makes it easy to refresh your Chevy or GMC rear suspension with complete saddle and U-bolt kits, ensuring a safe and stable ride.