Double Hump G-Force Crossmembers for Y-body C-3 Corvette

Crossmembers for C-3 Corvette Y-Body cars

1968-1981 Corvette C-3 Crossmember

TH400-Short Tail TH350 700R4 4L60E T5 T10 2004R Muncie Powerglide Saginaw 4L80E


These Double hump G-Force Crossmembers are made to bolt into the factory holes for just about every install. These are made to clear dual exhaust when adding headers. If you plan to add headers you will need one of these. They also improve the strength of the cars chassis as well due to their superior strength compared to the factory crossmember.

C-3 Corvette Y-Body Double Hump Crossmember for Dual Exhaust

C-3 Corvette Y-Body Crossmember

Fitment is as follows. If you have question please email or call 318-208-4184

Y-Body Crossmembers C-3 Corvette 1968-1981

1968-1981. Click part numbers for exact picture of crossmember


fits: TH350, Muncie, Powerglide, T-10, Super T-10, Saginaw, & TH200


fits: TH400 short tail & 2004R


fits: 700R4, 4L60 & 4L60E


fits: 4L80E

Select proper crossmember

Cost $299.00

RCC3-350 C-3 corvette g-force crossmember RCC3-400 C-3 corvette g-force crossmember RCC3-7000 C-3 corvette g-force crossmember

318-208-4184 or email at

A-Body cars Double Hump G-Force Crossmember: Chevelle, Malibu, Cutlass, and GTO types.

G-Body cars Double Hump G-Force Crossmember: Monte Carlo, Regal, Grand Prix, and Cutlass Supreme types.

Y-Body C-3 Corvette Double Hump G-Force Crossmembers.

F-Body Double Hump G-Force Crossmember: 1967-1981 Camaro, Firebird, and Trans-Am types.

S-10 Truck type Double Hump G-Force Crossmembers.

Mustang 1967-1973 G-Force Crossmembers.

Crossmember home page.

We also have Double Hump G-Force Crossmembers for 1967 to 1981 Camaro's and like F-Bodies, 1978-1988 Cutlass and like G-Bodies, 1967-1973 Mustangs, and C-4 Corvettes to name a few. We make these Double Hump G-Force Crossmembers to fit many different transmission like these: TH350, TH400, POWERGLIDE, 700R4, 2004R, TH250, MUNCIE, SAGINAW, T-5, T-10, T-56, AOD, and others.