They use a 2 bolt flange with a stainless body and stainless clamps
Polished Aluminum
Making this an easy bolt on solution to get a better flowing manifold without changing your whole exhaust setup
4L Front Bore: 1
RTC7003OM- 70 Mopar B-Body
1978-1988 Next Gen G-Body Crossmember 700R4 cpr turbo kit They use a 2 boltFits GM G Body Models: Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville. Fits Years: 78 88 Fits Transmissions: 700R4, 4L60, Pre 1996 4L60E, T5, TKO 500, TKO 600, TKX, 2WD AR5. This crossmember will fit 1996 and later 4L60E, and 4L65E transmissions for LS engine swaps. Newly designed and manufactured by G Force Performance to be lighter weight for improved performance and still maintain the same quality