Thermostats, Housings and Fillers
Thermostats, housings, and fillers help regulate coolant flow efficiently, ensuring your engine stays within the ideal temperature range. These essential components are designed for long-lasting performance in racing environments. Fit them together with other temperature control accessories for an effective solution.
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Moroso Filler Neck Block-Off Plate 63471
MOROSO
$21.99When you're running a custom cooling system or upgrading your engine bay, a factory filler neck becomes unnecessary bulk. The Moroso Filler Neck Block-Off Plate eliminates this obstruction while...MOR63471- SKU:
- MOR63471
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- 63471
$21.99 -
Moroso Billet Filler Neck - Black 63468
MOROSO
$84.99A quality filler neck is essential for reliable coolant system management, and a billet aluminum construction ensures durability under high-heat engine conditions. The Moroso Billet Filler Neck...MOR63468- SKU:
- MOR63468
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MFG Part #:
- 63468
$84.99 -
Moroso Filler Neck 63466
MOROSO
$71.99A stock filler neck is often the first casualty in a high-performance build—corroded, cracked, or simply inadequate for custom cooling systems. The Moroso 63466 replaces it with a heavy-duty billet...MOR63466- SKU:
- MOR63466
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 63466
$71.99 -
Moroso Water Outlet Filler Neck 63465
MOROSO
$47.99A quality water outlet filler neck is essential for maintaining proper coolant circulation and preventing air pockets in your cooling system—both critical for sustained engine performance and...MOR63465- SKU:
- MOR63465
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- 63465
$47.99 -
Moroso #16AN Billet Filler Neck 3/8in NPT Female Ports 63461
MOROSO
$104.99A quality filler neck is the foundation of any reliable cooling system—this billet aluminum manifold gives you the precision fitment and dual NPT ports you need to integrate aftermarket gauges,...MOR63461- SKU:
- MOR63461
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- MFG Part #:
- 63461
$104.99 -
Moroso SBF Bolt-On Alum. Water Outlet Neck w/-16an Ftng 63455
MOROSO
$54.99A quality water outlet neck is critical for reliable coolant flow and leak-free operation in high-performance Small Block Ford engines. This Moroso billet aluminum neck provides a direct bolt-on...MOR63455- SKU:
- MOR63455
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 63455
$54.99 -
Moroso Water Outlet Restrictors 63440
MOROSO
$19.99Engine cooling efficiency depends on proper coolant flow management, and restrictors are essential for maintaining optimal operating temperatures under load. By controlling water outlet pressure,...MOR63440- SKU:
- MOR63440
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 63440
$19.99 -
Moroso Chevy V8 Water Neck Bleeder Plate 63432
MOROSO
$47.99Air pockets trapped in your cooling system will compromise thermostat accuracy and cause localized hot spots that can lead to catastrophic engine failure. The Moroso Chevy V8 Water Neck Bleeder Plate...MOR63432- SKU:
- MOR63432
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MFG Part #:
- 63432
$47.99 -
Moroso Chevy V8 Cast Alm. Water Neck Bleeder Kit 63430
MOROSO
$85.99Trapped air in your cooling system causes hot spots, poor circulation, and potential engine damage—especially critical in high-performance applications where thermal management is non-negotiable. The...MOR63430- SKU:
- MOR63430
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- MFG Part #:
- 63430
$85.99 -
Moroso Chevy Filler Neck Housing 63423
MOROSO
$62.99A properly functioning coolant distribution system is critical for engine reliability and consistent performance under load. The Moroso Chevy Filler Neck Housing provides a robust, cast-aluminum...MOR63423- SKU:
- MOR63423
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- MFG Part #:
- 63423
$62.99 -
Moroso Chevy Filler Neck - Billet Alum. 63421
MOROSO
$100.99A quality coolant distribution system is fundamental to engine reliability, especially in high-performance applications where thermal management directly impacts horsepower and longevity. This Moroso...MOR63421- SKU:
- MOR63421
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 63421
$100.99 -
Moroso Manifold Filler Neck 63420
MOROSO
$97.99A proper coolant management system is critical for maintaining optimal engine temperatures under sustained performance driving. This Moroso manifold filler neck provides a clean, OEM-style...MOR63420- SKU:
- MOR63420
- Availability:
- Ships Same Business Day
- Weight:
- 1.67 LBS
- MFG Part #:
- 63420
$97.99 -
KRC Spacer Thermostat 1in Aluminum KRC 15375000
KRC POWER STEERING
$55.32The KRC Spacer Thermostat provides essential flow management and precise coolant routing in high-performance Chevy V8 engine builds. By positioning your thermostat housing away from the block, you...KRC15375000- SKU:
- KRC15375000
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- KRC 15375000
$55.32Qty in Cart: 0Quantity:Price:$55.32Subtotal: -
Water Restrictor Alum KRC-1027
KLUHSMAN RACING PRODUCTS
$22.99Restricting water outlet flow is critical for maintaining optimal coolant pressure and preventing cavitation in high-performance cooling systems. The KRC-1027 aluminum water restrictor ensures your...KLU1027- SKU:
- KLU1027
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- KRC-1027
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
Joes #20 Water Outlet 36060
JOES RACING PRODUCTS
$42.95A quality water outlet is essential for reliable coolant flow and system integrity in high-performance applications. The Joes #20 Water Outlet 36060 provides a leak-free, bolt-on solution with...JOE36060- SKU:
- JOE36060
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 36060
$42.95 -
Joes Water Outlet Fitting 36050
JOES RACING PRODUCTS
$39.95A quality water outlet fitting is critical for maintaining proper coolant flow and preventing system leaks under high-performance conditions. Joe's 36050 delivers a direct bolt-on solution with...JOE36050- SKU:
- JOE36050
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 36050
$39.95 -
Joes Water Outlet Fitting w/Two 3/8in NPT Ports 36000
JOES RACING PRODUCTS
$76.95A quality water outlet fitting is critical for maintaining proper coolant flow and preventing air pockets in your cooling system—issues that can lead to overheating and catastrophic engine damage...JOE36000- SKU:
- JOE36000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 36000
$76.95 -
Howe Radiator Fitting 1/8in. NPT 3434
HOWE
$3.99Radiator cooling system plumbing demands reliable, leak-free connections—and this Howe fitting delivers exactly that. Whether you're upgrading your cooling lines or fabricating a custom loop, a...HOW3434- SKU:
- HOW3434
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 3434
$3.99 -
Howe Billet Radiator Filler Neck 34301
HOWE
$12.99A quality radiator filler neck is critical for maintaining proper coolant circulation and system pressure in high-performance engines. The Howe Billet Radiator Filler Neck 34301 delivers precision...HOW34301- SKU:
- HOW34301
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 34301
$12.99 -
Canton Water Neck Riser Plate 80-116
CANTON
$69.00If you're running a Chevy V8 with upgraded cooling or forced induction, you need proper coolant distribution at the water neck to prevent hot spots and boost system reliability. The Canton Water Neck...CAN80-116- SKU:
- CAN80-116
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- MFG Part #:
- 80-116
$69.00
