Description
Control cooling with HSI Billet Water Manifold – CNC-machined 6061 aluminum with anodized finish. Essential for lay-down exhaust systems and high-HP builds. Features 2x 1/4” NPT inlets and 4/6/8x 1/8” NPT outlets (plus one 1/4” outlet).
High-Flow Design
- Inlets: 2x 1/4” NPT
- Outlets: 4, 6, or 8x 1/8” NPT + 1x 1/4” NPT
- Material: Billet aluminum, hard anodized
- Fittings: Not included – use NPT plugs/barbs
- Clamp Required: Hose clamps mandatory
Size Options
- 4-Port (HSI-50-0005): 4.75” L x 1” x 1”
- 6-Port (HSI-50-0006): 5.25” L x 1” x 1”
- 8-Port (HSI-50-0007): 6.25” L x 1” x 1”
Applications
- Lay-Down Exhaust: Must-have for cooling
- Freestyle/Race: 900cc+ high heat
- Custom Hulls: Tight engine bays
Precision cooling distribution. Choose your port count.
Part Numbers: HSI-50-0005, -0006, -0007











