![51009B5 by PRO COMP - Suspension Component Box; For 4 in. Lift; Box 5; For PN[K1158B/K1159B/K1164B/K1164BP/K1164BPS/K1164BPX/K1171B/K1171BP/K1171BPS/K1171BPX/K1173B];](https://db73q1dut0rlp.cloudfront.net/eyJ3aWR0aCI6NDM1LCJoZWlnaHQiOjQzNSwiZml0IjoiY29udGFpbiIsIndhdGVybWFya2VkIjpmYWxzZSwiZm9ybWF0Ijoid2VicCIsImtleSI6ImFzc2V0cy9uby1pbWFnZS1wcm9kdWN0LmpwZyIsInZlcnNpb24iOjJ9.webp?s=9c2d2d0ebf7d71ba71d75df38cd6acc9bf26ae62635f5e63bc27cb96f39135d5)
Pro Comp 51009B5 - Suspension Component Box; For 4 in. Lift; Box 5; For PN[K1158B/K1159B/K1164B/K1164BP/K1164BPS/K1164BPX/K1171B/K1171BP/K1171BPS/K1171BPX/K1173B];
$10599
In stock
limited availability at this price!
Pay over 3-12 months with 
. Learn more
. Learn more
PRO COMP part description
Product Description
Suspension Component Box
Features & Benefits
- Suspension Component Box
Product Attributes
| Lift/Drop Height | 4 in. |
| WARNING CA Proposition 65 | Yes |
Additional Information
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8708800000 |
| Harmonized Tariff Code (HTS) | 8708800000 |
| NAFTA Preference Criterion Code | B |
| Warranty Special | Lifetime |
| Warranty Special UOM | LF |
| UPC | 00614901041187 |
Fits Vehicles
- GMC Sierra 1500 (2014-2018)
- Chevrolet Silverado 1500 (2014-2018)
California Proposition 65 Warning
California Proposition 65 Warning
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. (Read more)
Don't know your part number?
Take a photo and we'll identify it!
![51802B1 by PRO COMP - Suspension Component Box; For 6 in. Lift; Box 1; For PN[K1085B/K1085BP/K1087B/K1087BP/K1088B/K1088BP];](https://db73q1dut0rlp.cloudfront.net/eyJ3aWR0aCI6MzAwLCJoZWlnaHQiOjMwMCwiZml0IjoiY29udGFpbiIsIndhdGVybWFya2VkIjpmYWxzZSwiZm9ybWF0Ijoid2VicCIsImtleSI6ImFzc2V0cy9uby1pbWFnZS1tZWRpdW0uanBnIiwidmVyc2lvbiI6Mn0=.webp?s=41aebfe56a09ac812c8f191bc8a3224404003ff5cb96511cb2710a0daa5bec26)