Fits 265, 283, 302, 305, 327, 350, and 400 SB Chevrolet Engines (Including TBI, TPI, LT1). For Installation of Headers to Cylinder Heads. Will Not Fit: GEN III, IV, V Engines (Vortec 4.8 5.3 5.7 6.0 6.2L, LSX, LT5 Engines).
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