Cooling Systems - Thermostat Housings

• Constructed of 316L Stainless Steel.
• 1" Hose Divider with 3/8" NPT Bypass
• Fits 8-71 thru 14-71 Whipple, Late Roots Style, TBS and B&M 250 and 420 superchargers.
• Specially designed for V8 Chevrolet engine applications using superchargers.
• Includes bolts, and gaskets.

• Constructed of 316L Stainless Steel.
• 3/4" NPT Divider with 3/8" NPT Bypass
• Fits 8-71 thru 14-71 TBS and B&M 250 and 420 superchargers.
• Specially designed for V8 Chevrolet engine applications using superchargers.
• Includes bolts, and gaskets.

• Fits most BBC, SBC applications
• Made from Polished 316L Stainless Steel!
• Designed for use on cold water source cooling systems.
• Keeps engine temperature between 140 & 160 degrees.
• Not recommended for supercharged or turbocharged engines, or sandy conditions.
• Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
• Housing is 4 inches long x 3-1/8" wide x 3" tall.
• Housing has four 1/2" NPT ports.
• Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
• Includes bolts and gaskets.

• Fits 455 Olds applications
• Made from Polished 316L Stainless Steel!
• Designed for use on cold water source cooling systems.
• Keeps engine temperature between 140 & 160 degrees.
• Not recommended for supercharged or turbocharged engines, or sandy conditions.
• Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
• Housing is 4 inches long x 3-1/8" wide x 3" tall.
• Housing has four 1/2" NPT ports.
• Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
• Includes bolts and gaskets.

• Fits Ford 429/460.
• Made from Polished 316L Stainless Steel!
• Designed for use on cold water source cooling systems.
• Keeps engine temperature between 140 & 160 degrees.
• Not recommended for supercharged or turbocharged engines, or sandy conditions.
• Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
• Housing is 4 inches long x 3-1/8" wide x 3" tall.
• Housing has four 1/2" NPT ports.
• Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
• Includes bolts and gaskets.

• Constructed from 316L Stainless Steel.
• For BBC or SBC applications.
• Features (3) 1" push-on hose barbs.
• This unit is used in crossover cooling system #620-300100.
• Length 4-1/4", Height 3", Width 2-3/4".
• Includes bolts and O-ring.
• O-Ring sealed, no gaskets required!

• Wide Angle 140°
• Polished 316L Stainless Steel.
• 1" Slip-on Hose barbs, 3/8" NPT Bypass port.
• Fits most plumbing applications.
• Designed to fit Chevrolet Engines, BBC, & SBC
• Bypass hole can also be used for temperature sender.
• Length 4", Width 2-3/4", Height 2-1/2".
• Includes bolts, and gasket.

• Constructed of 316L Stainless Steel.
• Fits most plumbing applications.
• Designed to fit Big Block and Small Block Chevrolet engines.
• Bypass hole can also be used for temperature sender.
• Length 4", Width 2-3/4", Height 2-1/2"
• Two -10 AN flare fittings and a 3/8" NPT bypass port.
• Includes bolts and gasket.

• Polished 316L Stainless Steel.
• Two -12 AN flare fittings and a 3/8" NPT bypass port.
• Fits most plumbing applications.
• Designed to fit Big Block and Small Block Chevrolet Engines.
• Bypass hole can also be used for temperature sender.
• Length 4", Width 2-3/4", Height 2-1/2".
• Includes bolts and gasket.

• Constructed of 316L Stainless Steel.
• Length 4", Width 2-3/4", Height 2-1/2".
• Fits most plumbing applications.
• Designed to fit Big Block and Small Block Chevrolet Engines.
• Bypass hole can also be used for temperature sender.
• Two 3/4" NPT Ports and a 3/8" NPT bypass port.
• Includes bolts and gaskets.

• Polished 316L Stainless Steel.
• 1" Slip-on Hose barbs, 3/8" NPT Bypass port.
• Fits most plumbing applications.
• Designed to fit Chevrolet Engines, BBC, & SBC
• Bypass hole can also be used for temperature sender.
• Length 4", Width 2-3/4", Height 2-1/2".
• Includes bolts, and gasket.

• Polished 316L Stainless Steel.
• Two -16 AN flare fittings and a 3/8" NPT bypass port.
• Fits most plumbing applications.
• Designed to fit Big Block and Small Block Chevrolet Engines.
• Bypass hole can also be used for temperature sender.
• Length 4", Width 2-3/4", Height 2-1/2".
• Includes bolts and gasket.

• For use in Big Block and Small Block Chevy Mercruiser Applications
• Constructed of Cast Stainless Steel.
• Replaces factory black cast iron MerCruiser housing.
• Designed to work in conjunction with the factory circulating pump.
• Can be used in low profile applications such as EFI engines etc.
• Thermosat NOT Included.
• Works with Mercruiser 860256A4 MCM & MIE V6 – V8 (305 & 350cid) w/Bravo Drive
• Replaces Sierra 18-1989 and 18-3530-1

• Constructed of 316L Stainless Steel.
• 1" Push on hose barb with 3/8" NPT Bypass.
• Fits 8-71 thru 14-71 TBS and B&M 250 and 420 Superchargers.
• Designed for V8 Chevrolet Engine applications using superchargers.

• Constructed of 316L Stainless Steel.
• -10 AN Divider with 3/8" NPT Bypass
• Fits 8-71 thru 14-71 TBS and B&M 250 and 420 superchargers.
• Specially designed for V8 Chevrolet engine applications using superchargers.
• Includes bolts, and gaskets.

• Constructed of 316L Stainless Steel.
• -12 AN Divider with 3/8" NPT Bypass.
• Fits 8-71 thru 14-71 TBS and B&M 250 and 420.
• Specially designed for V8 Chevrolet engine applications using superchargers.
• Includes bolts, and gaskets.

Thermostat housing 3/4" NPT without bypass

These polished stainless steel thermostat housing are designed to work with our water crossovers on Chevy small block and big block.

Thermostat Housing 1" Pushon without bypass

These polished stainless steel thermostat housing are designed to work with our water crossovers on Chevy small block and big block.

Thermostat housing 1" Pushon with bypass

These polished stainless steel thermostat housing are designed to work with our water crossovers on Chevy small block and big block.

Thermostat housing 3/4" NPT with bypass

These polished stainless steel thermostat housing are designed to work with our water crossovers on Chevy small block and big block.