Kirby Morgan Genuine Parts510-653 SL-17A/B Cold Water Neck Dam (Pre-’84), X-LargeSKU: 510-653 510-653 Neck Dam Instructions Add to quote Description Description Part # Description Qty. 510-653 SL-17A/B Cold Water Neck Dam (pre-’84), X-Large 1 Related products 455 Balanced Regulator PartsKirby Morgan Genuine Parts525-630 455 Regulator Tool Kit View product Kirby Morgan Genuine PartsSuperFlow® 350 Regulator Parts525-027 Regulator Flange Kit View product Kirby Morgan Genuine Parts505-093 XL Neck Ring Assembly View product