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Mr. Gasket high-performance thermostats are designed to resist large variations in coolant pressures that can occur at high rpms. Under these conditions, coolant temperature and pressure fight for control of the thermostat, keeping it from opening at its designed temperature. These balanced high-performance thermostats have brass-and-copper construction, and open at the right temperature regardless of engine rpm.
( 235 )
$29.11
$21.83
On Sale
Mr. Gasket chrome plated water necks feature an O-ring style seal to prevent water leaks. Precision die-cast for a great fit, they're first polished to a high luster, then beautifully chrome plated for lasting beauty. These water necks come complete with an O-ring and mounting bolts.
( 64 )
$29.11
$21.83
On Sale
Earl's Performance adjustable coolant crossover tubes simplify the plumbing of a remote mounted electric water pump by eliminating Ts, Ys, and extra hose ends. The design of these special crossover tubes allows for adjustable length—and for use as a coolant inlet or outlet on your engine. They're constructed from billet aluminum with a black anodized finish.
( 1 )
$318.95
$175.95
On Sale
Earl's leads the way for LS engines! OE water pumps come with push-on barbs for clamping the standard radiator hoses. Push-on hose connections just don't meet the demands of extreme performance. Earl's LS water pump adapter kits convert both the inlet and outlet to -20 AN fittings. The kits work with all LS water pumps; an O-ring adapter plate is included that upgrades early LS water pumps to the later, less restrictive style of thermostat. Features include: * Billet aluminum and stainless steel components * Anodized protection on aluminum components * Requires thermostat upgrade on early LS water pumps * Welding required
Not Yet Reviewed
$163.95
$90.95
On Sale
Mr. Gasket offers replacement water necks in a variety of styles, materials, finishes, sizes, and angles. Water necks help to hold the vehicle's thermostat in place as it opens and closes—to regulate the flow of coolant through your engine. The opening in the water neck created by the thermostat allows coolant to flow from the radiator back to the engine. Order the model recommended for your vehicle.
( 114 )
$34.72
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$41.68
$22.57
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$27.09
On Sale
Fluidyne weld-on fill necks are ideal when you want a high performance piece for your radiator or surge tank. Available in a standard and mini size, they feature aluminum construction for durability in racing, street, or custom applications.
( 2 )
$23.00
$11.50
On Sale
Fluidyne remote billet radiator filler necks combine beauty and performance under your hood. Built from billet aluminum with a highly polished or chrome finish, the 5 in. long universal replacements come in three diameters: 1 1/4 in., 1 1/2 in., and 1 3/4 in. The filler necks feature a 1/4 in. male hose barb fitting and a high-quality Fluidyne cap to top it off (16 psi).
( 2 )
$69.00
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$99.00
$55.20
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$79.20
On Sale
Racing Automotive Group water outlet restrictor kits allow you to limit the coolant flow leaving the engine in order to control the amount of heat absorbed by the coolant itself. Limit the flow with these three round aluminum plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. Just mount the appropriate plate under the water outlet on the intake manifold for a simple temperature control solution. Restrictor kits are available for a wide range of year/make and engine applications from the 1950s and up.
Not Yet Reviewed
$9.99
$8.99
On Sale
Finish off your intake manifold with one of these Weiand swivel water necks. They'll provide you with good looks, excellent quality, and precise fit at a great price. The water necks are manufactured from high-quality aluminum and come in your choice of polished, chrome plated, or black powdercoat finishes. Weiand water necks are also available in four different outlet configurations—so you can get the right fitment for your cooling system. All water necks include an O-ring seal, plate, and hardware for easy installation.
( 42 )
$36.31
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$43.02
$19.97
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$23.66
On Sale
Racing Automotive Group offers polished aluminum water necks for a wide range of year/make and engine applications. The swivel manifold filler necks easily adjust the angle. These replacements come with an O-ring seal and hardware for installation.
Not Yet Reviewed
$49.99
$44.99
On Sale
A proper engine temperature assures peak performance and the highest efficiency. To prevent overheating your marine engine, select Quicksilver thermostat kits. They are made from quality materials and meet OEM specifications to maximize performance and service life. Each kit will include a thermostat and gasket(s)/seal(s). Remove your non-functioning thermostat and replace it with a new one from Quicksilver designed for your marine engine.
Not Yet Reviewed
$30.99
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$47.99
$27.89
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$43.19
On Sale
A proper engine temperature assures peak performance and the highest efficiency. To prevent overheating your marine engine, select Quicksilver thermostats. They carry numerous thermostats in different styles and operating temperature ratings covering a range of engines. They are made from quality materials and meet OEM specifications to provide a long service life. Remove your non-functioning thermostat and replace it with a new one from Quicksilver designed for your engine.
Not Yet Reviewed
$25.49
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$57.49
$22.94
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$51.74
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