Thermostats, Housings & Fillers

Billet Specialties Ls Thermostat Housing W/ 16An Male Nipple Anodizd 90900Water Neck - Straight - 16 AN Male - Hardware / O-Ring Included - Aluminum - Natural - GM LS-Series - Each

Billet Specialties Thermostat Housing -20An Straight Up Chevy 90119Water Neck - Straight - 20 AN Male - Hardware / O-Ring Included - Aluminum - Natural - Small Block Chevy - Each

Billet Specialties Thermostat Housing Straight Up Mopar App 90820Water Neck - Straight - 1-1/2 in ID Hose - O-Ring - Stainless Hardware - Billet Aluminum - Polished - Mopar V8 - Each

Peterson Fluid Water Neck Riser Block 128475Water Neck Spacer - 1 in Thick - Two 6 AN Female Ports - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Kit

Billet Specialties Ls Thermostat Housing Straight Black Blk90134Water Neck - Straight - 1-1/2 in ID Hose - O-Ring - Stainless Hardware - Billet Aluminum - Black Anodized - GM LS-Series - Each

Mr. Gasket Chrm Alum Swvl Wtr Neck 9142GWater Neck - 90 Degree - 1-1/2 in ID Hose - Swivel - O-Ring - Hardware Included - Aluminum - Chrome - Small Block Chevy - Each

Peterson Fluid Water Neck Riser Block 128110Water Neck Spacer - 1 in Thick - O-Ring - Aluminum - Clear Anodized - Chevy V8 - Kit