Hidden mount screws, billet 7075-T651 aluminum and exact positioning to the centerline of the cam bushing and pinion bushing within .0002". Features improved breathing, which is good for stock and even better for high performance applications. A positive two O-ring seal systems will keep oil where it belongs. These JIMS 2-piece gear covers are among the best made. Note: For replacement o-rings see 978025 (small) and 978026 (large).
