The Speedmaster PCE191.1012 is a chrome-finished thermostat housing water neck designed specifically for Chevy Small Block 350 engines from 1968 to 1986. Featuring an O-ring style seal design, this housing provides a reliable, leak-resistant connection at the thermostat junction, making it a dependable upgrade or direct replacement for your cooling system.
The polished chrome finish adds a clean, classic look to your engine bay while the O-ring design helps ensure a tight, consistent seal compared to traditional gasket-only setups. Engineered to fit 1968–1986 Chevy SBC 350 applications, this water neck from Speedmaster is a straightforward solution for restorers and performance enthusiasts alike.