Tune Up Kit. For: Late Model V-8 (Alpha/Bravo 350 Mag. 5.0L, 5.7L & 6.2L MPI engines w/ECM 555 S/N 0M300000 & Up). For: Delco HVS V-8 Distributors. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty.
- For: Late Model V-8 (Alpha/Bravo 350 Mag. 5.0L, 5.7L & 6.2L MPI engines w/ECM 555 S/N 0M300000 & Up)
- For: Delco HVS V-8 Distributors
- Meets or exceeds manufacturer's recommended specifications
- Backed by Sierra's limited lifetime warranty
