March Performance - BTH-216
Water Neck - Straight - 20 AN Male - O-Ring / Hardware Included - Aluminum - Clear Anodized - GM LS-Series - Each
Water Neck, Thermostat Housing, Chevy, LS Engine, Two Piece, Straight, -20AN, Billet, Clearcoat
Billet Thermostat Housings CNC Machined in the USA from 6061-T6 Aluminum Available in Polished, Black or Clear Coated. Includes Mounting Hardware and O-Ring for a Clean Seal