If your cross member looks like any of these 3 above then order DSL-031
If your cross member looks like the above then order DSL-032
GM F and X body crossmember ID chart
67-69 Camaro BB with manual trans
68-70 Nova BB with manual trans
GM PN 3912570
67-68 Firebird with PG, TH-350, or manual trans
67-69 Camaro SB with PG, TH-350, or manual trans
68-74 Nova SB with PG, TH-350, or manual trans
73-74 Olds Xcar
GM PN 3899006
69 Firebird with PG, TH-350, or manual trans
Stamped GM part number 9795681
Shown installed on 1969 Camaro with TH-350
Plenty of clearance for X or H pipe exhaust systems