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Ships within 48 hours · Estimated delivery Nov 2 - Nov 7
Our On3 Race Core is about 80% in volume larger and fills the entire grill but does require some trimming if you upgrade
ZR2 models
Features: Smooth Mandrel Bends Optimize Exhaust Flow Fully TIG Welded For Strength And Beauty Clamps Included
4" V-Band Clamp
1970-1974 F-Body Crossmember GMC-Sierra-1500-2004 Our On3 Race Core isFits Models: Camaro, Firebird, Trans AM Fits Years: 70 74 F Body Fits Transmissions: 700R4, 4L60, Pre 1996 4L60E, TKO 500, TKO 600, TKX, 2WD AR5. This crossmember will fit 1996 and later 4L60E, and 4L65E transmission for LS engine swaps. We recommend a polyurethane transmission mount. The GMTM is sold separately. For the 1970 1974 F Body frames the distance between the crossmember frame mounting holes is 30 1 2". To ensure proper crossmember selection
