1956 Summit Racing Thermostats, Housings & Fillers

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

Part Number: SUM-371100

4.53 out of 5 stars ( 100 )

Estimated Ship Date: Today

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

Part Number: SUM-371101

4.59 out of 5 stars ( 54 )

Estimated Ship Date: Today

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: Today

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

Part Number: SUM-371111-BL

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: SUM-371111-RE

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order