Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - LS1/LS6 - GM LS-Series Water Injection System This Crossmember Requires Transmission Specific 5 Quarts Total Oil Size:X-Large NPR20-GNHS4150K8 CREW-NITRO-R1-HV

Holley EFI Dominator EFI Engine Control Module Wiring Harness Transmission Harness LS1 LS6 GM LS Series Water Injection System This Crossmember Requires Transmission Specific 5 Quarts Total Oil Size:X Large NPR20 GNHS4150K8 CREW NITRO R1 HV This Crossmember Requires Transmission Specific Adapter Plate (sold separately) BHS573 A727 (GM style) TKX Transmission Adapter* BHS574 NAG1 Transmission Adapter BHS578 NAG1 Torsion bar support (Provides Additional Support for Transmission Tunnel and torsion bar crossmember) *BHS588 TKX 5 Torsion bar support (Provides Additional Support for Transmission Tunnel and torsion bar crossmember)* *Use with Bell Housing RM 8079 & TKX (GM Style Transmission) Transmission tunnel and Torsion bar support modifications are required to install the BHS578 or BHS588 Crossmember support Rear Subframe