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Collection: Water Necks & Thermostat Housings - Billet Aluminium Swivel Designs

Premium Water Necks & Thermostat Housings - Precision Coolant Routing

Upgrade your cooling system with our comprehensive range of precision-machined water necks and thermostat housings from Proflow and leading performance brands. Featuring 6061-T6 billet aluminium construction, 360-degree swivel designs, and O-ring seals, these components eliminate leaky paper gaskets while delivering flexible hose routing and premium aesthetics.

Swivel Water Necks - 360° Rotation

Our swivel water neck range provides ultimate flexibility for hose routing:

  • 90 Degree Swivel: Tight routing for compact engine bays with 360° rotation
  • 45 Degree Swivel: Gradual angles for improved coolant flow and clearance
  • Straight Up: Vertical routing for traditional applications
  • O-Ring Seal: Eliminates leaky paper gaskets for reliable sealing

Small Block & Big Block Chevrolet

Precision-engineered water necks for SB and BB Chevy engines:

  • Compatible with Small Block Chevrolet 262, 265, 267, 283, 302, 305, 307, 327, 350, 400
  • Big Block Chevrolet 396, 402, 427, 454 applications
  • Black anodised and silver anodised finish options
  • Includes stainless steel mounting hardware

Ford V8 Water Necks

Applications for Ford Windsor and Cleveland engines:

  • Ford Windsor: 289, 302, 351W with swivel and fixed designs
  • Ford Cleveland: 302, 351C, 400M compatibility
  • 45° and 90° angle options for flexible routing

LS Engine Water Necks

Billet aluminium water necks for GM LS engines:

  • Holden Commodore LS1, LS2, LS3 applications
  • 90° swivel design for flexible hose routing
  • Black anodised finish for corrosion resistance
  • Direct replacement for factory thermostat housings

Key Features:

  • Precision CNC-machined from 6061-T6 billet aluminium
  • 360-degree swivel design for flexible hose routing
  • O-ring seal eliminates leaky paper gaskets
  • Multiple angle options: 45°, 90°, straight up
  • Black anodised or silver anodised finish options
  • Includes stainless steel mounting hardware
  • Show car quality appearance for engine bay detailing

Applications:

Perfect for custom cooling systems, engine swaps, hot rods, muscle cars, and performance builds requiring reliable coolant connections with flexible hose routing. Ideal for tight engine bays where traditional fixed water necks don't provide adequate clearance.

Complete Your Cooling System:

Australian Stock: Fast shipping from Perth, WA. Expert technical support available for fitment advice.

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