March Performance - BTH-215-08
Water Neck - Straight - 16 AN Male - O-Ring / Hardware Included - Aluminum - Black Anodized - GM LS-Series - Each
Water Neck, Thermostat Housing, Chevy, LS Engine, Two Piece, Straight, -16AN, Billet, Black
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