Description
Part Number: 17-72
Holley 1″ Phenolic Carburetor Spacer (2300 Flange)
Engineered to isolate heat and extend plenum volume, the Holley 17-72 phenolic spacer optimizes power delivery while preventing vapor lock on Holley 2300 2-barrel setups.
Key Features & Benefits
- ☑ Thermal Heat Barrier: Premium phenolic composite construction isolates the carburetor from manifold heat transfer, keeping fuel cooler and denser.
- ☑ Vapor Lock Prevention: Helps prevent fuel boiling and percolation issues during high-temperature ambient or track conditions.
- ☑ Plenum Volume Increase: 1″ height increases intake runner plenum volume, enhancing low-to-mid range torque and horsepower output.
- ☑ Precision Fitment: Designed specifically for Holley 2300 flange 2-barrel carburetors with twin 1-11/16″ bores.
- ☑ Durable Composite Construction: Non-conductive phenolic resin compound engineered to withstand race fuel and extreme thermal cycling.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number (MPN) | 17-72 |
| Flange Style | Holley 2300 (2-Barrel) |
| Spacer Height / Thickness | 1.000″ (25.4 mm) |
| Bore Size | 1-11/16″ (1.6875″) |
| Bore Style | 2-Hole |
| Material | Phenolic Composite |
| Stud Center-to-Center | 5-1/8″ x 3-1/2″ |
What’s Included in the Box
- 1x Holley 17-72 1″ Phenolic 2300 Carburetor Spacer
- Carburetor Base Mounting Gaskets
- Mounting Hardware / Stud Kit
With decades of motorsport pedigree, Holley performance components deliver exceptional reliability on track and street alike. When you buy from JP Racing, you receive 100% genuine Holley equipment backed by our expert UK technical customer team and fast nationwide dispatch.
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