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Direct Replacement V6 Chevrolet 4.3L Center Riser Style Exhaust Manifold, MC-1-99746
Direct Replacement V6 Chevrolet 4.3L Center Riser Style Exhaust Manifold, MC-1-99746. Replaces Mercruiser # 99746A3 and 99746A8. Fits Mercruiser 4.3L V-6 Chev engines.