CHEVROLET Chevy small block Gen I Summit Racing Thermostats, Housings & Fillers

Thermostat, 180 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-180

4.44 out of 5 stars ( 142 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Polished, O-Ring, 90-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101

4.58 out of 5 stars ( 53 )

Estimated Ship Date: Monday 9/22/2025

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-160

4.38 out of 5 stars ( 77 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Polished, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100

4.52 out of 5 stars ( 98 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Black Powdercoated, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100B

4.06 out of 5 stars ( 18 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, O-Ring, Steel, Chrome, 15 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-G3801-3

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Polished, O-Ring, 75 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101-15

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Black Powdercoated, O-Ring, 90-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101B

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

Water Neck Spacers, Aluminum, Polished, 1.00 in. Thickness, Chevrolet, Each

Part Number: SUM-371200

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Metal, Chrome Plated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-G3800

4.36 out of 5 stars ( 28 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, O-Ring, Steel, Chrome, 15 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-G3801-2

4.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Black Powdercoated, O-Ring, 15-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371102B

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Black Powdercoated, 90 Degree, Chevy, Big/Small Block, Each

Part Number: SME-2200-11

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/22/2025

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Water Neck, Cast Steel, Zinc Alloy, Chrome Plated, Straight, Chevy, Big/Small Block, Each

Part Number: SUM-G3803

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 9/22/2025

Thermostat, 195 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-195

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

Water Outlet Restrictors, Aluminum, Includes One 5/8 in., One 3/4 in., and One 1 in. Restrictor, Chevrolet, Ford, Set of 3

Part Number: SUM-380850

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Water Neck Spacers, Aluminum, Black Anodized, 1.00 in. Thickness, Chevrolet, Each

Part Number: SUM-371201

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Clear, 90 Degree, Swivel, Chevy, Each

Part Number: SUM-371110-CL

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Red, 90 Degree, Swivel, Chevy, Each

Part Number: SUM-371110-RE

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Black, 90 Degree, -16 AN, Swivel, Chevy, Each

Part Number: SUM-371111-BK

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Blue, 90 Degree, Swivel, Chevy, Each

Part Number: SUM-371110-BL

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Aluminum, Natural, 90 Degree, Chevy, Big/Small Block, Each

Part Number: SME-2200

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Clear, 90 Degree, -16 AN, Swivel, Chevy, Each

Part Number: SUM-371111-CL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Copper Plated, O-Ring, 90-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101CPR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Water Neck, Cast Aluminum, Copper Plated, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100CPR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025