Description
Part Number: 17-59
Holley 1/2″ Phenolic Carburetor Spacer (4150 Flange)
Engineered to isolate engine heat and optimize fuel density for 4150 flange carburetors.
Key Features
- ☑ High-Density Phenolic Construction: Provides exceptional thermal insulation to combat heat soak and fuel boiling.
- ☑ 4150 Flange Compatibility: Direct fit for standard 4-barrel 4150 square bore carburetor flanges.
- ☑ 4-Hole Bore Design: Four 1-9/16″ (1.563″) bore openings help increase low-to-mid range torque and throttle response.
- ☑ 1/2″ Height Profile: Adds plenum volume while keeping low profile clearance under standard bonnets.
- ☑ Complete Fitting Kit: Comes supplied with necessary gaskets and mounting hardware for immediate installation.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 17-59 |
| Product Type | Carburetor Spacer |
| Flange Style | 4150 Square Bore |
| Material | Phenolic Resin |
| Thickness / Height | 1/2″ (0.500 in) |
| Bore Count & Diameter | 4-Hole, 1-9/16″ (1.563 in) |
What’s Included in the Box
- 1x Holley 17-59 1/2″ Phenolic Carburetor Spacer
- 2x 4150 Carburetor Flange Gaskets
- 1x Mounting Hardware Pack (Studs/Bolts & Nuts)
As an authorized UK stockist of Holley Performance Brands, JP Racing delivers genuine, high-performance fuel delivery components direct to your workshop or trackside garage. The Holley 17-59 phenolic spacer is an essential thermal barrier designed to keep fuel temperatures cool and engine performance consistent. For expert advice or fast UK shipping queries, contact our dedicated JP Racing technical team today.
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