Kirby Morgan Genuine Parts510-530 SL-17A/B Cold Water Neck Dam (Pre-’84), LargeSKU: 510-530 510-530 Neck Dam Instructions Add to quote Description Description Part # Description Qty. 510-530 SL-17A/B Cold Water Neck Dam (pre-’84), Large 1 Related products Kirby Morgan Genuine Parts505-095 SL-27 Latex Neck Ring Assembly View product Kirby Morgan Genuine Parts505-117 Medium-Large Latex Neck Ring Assembly View product Kirby Morgan Genuine PartsSuperFlow® 450 Regulator Parts525-718 Stainless Steel Balanced Regulator Rebuild Kit (for SuperFlow® 450) View product