O-ring style design and fits 1966-75 small block and big block Chevy V8 engines. Includes o-ring gasket and hardware.1966-75 Chevy Aluminum Water Neck ? 45? Swivel $29.99PriceFinish*SelectQuantity*Add to CartBuy NowProduct Details Weight 1.05 lbs Dimensions 9 × 8 × 5 in Finish Chrome Material Aluminum Engine Big Block Chevy, Small Block Chevy Neck Angle 45° Hardware Included Yes O-Ring Included Yes Quantity 1 No Reviews YetShare your thoughts. Be the first to leave a review.Leave a Review