Features: High-performance silicone radiator hose kits . Feature improved shape and thermal properties for better cooling - up to 5°C cooler . Color-matched to manufacturer''s production colors . Silicone and reinforced fabrics to last longer than stock . High-performance clamp kits (sold separately) feature marine-grade 18/8 stainless steel clamps with rounded edges, smooth inners and polished surfaces; contain all clamps necessary to complete installation of radiator hose kit . Color-matched vacuum tubing also available (sold separately). High-performance silicone radiator hose kits.