Thermostats, Housings & Fillers

Water Outlet Restrictors - Funnel Shaped - 5/8 in ID - Aluminum - Natural - Each

Water Outlet Restrictors - 2-1/8 in OD - 5/8 in 3/4 in 1 in ID - Aluminum - Blue / Gold / Red Anodized - Small Block Ford / GM V6 / V8 - Set of 3

Water Outlet Restrictors - 2-1/8 in OD - 5/8 in 3/4 in 1 in ID - Aluminum - Blue / Gold / Red Anodized - Small Block Ford / GM V6 / V8 - Kit

Water Neck Spacer - 1-1/8 in Thick - Four 1/2 in NPT Female Ports - O-Ring - Aluminum - Black Anodized - Chevy V8 - Each

Water Neck Spacer - 1-1/8 in Thick - Dual 3/8 in NPT Ports - Bypass Lines / Fitting - Aluminum - Natural - Chevy V8 - Kit

Water Neck Spacer - 1-1/4 in Thick - Two 8 AN Female Ports - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Kit

Water Neck Spacer - 1-1/4 in Thick - 1/2 in NPT Female Center Port - 1/2 in NPT Female Offset Port - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Each

Water Neck Spacer - 1 in Thick - Two 6 AN Female Ports - Temperature Port - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Kit

Water Neck Spacer - 1 in Thick - Two 6 AN Female Ports - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Kit

Water Neck Spacer - 1 in Thick - Two 3/8 in NPT Ports - 1/2 in NPT Gauge Port - O-Ring - Billet Aluminum - Clear Anodized - Chevy V8 - Kit

Water Neck Spacer - 1 in Thick - Two 3/8 in NPT Female Ports - O-Ring Seal - Aluminum - Polished - Chevy V8 - Each

Water Neck Spacer - 1 in Thick - Two 3/8 in NPT Female Ports - O-Ring Seal - Aluminum - Black Anodized - Chevy V8 - Each