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Overview
Featuring Stainless Steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondaries on all Double Pumper, HP, and Ultra XP carburetors. It allows user to pick between 1:1 or progressive secondary ratio. Kit provides infinite adjustment of secondary throttle blades for maximum horsepower output.
Features:
- Includes all necessary hardware
- Compact design won't interfere with throttle linkage
- Perfect for circle track and drag racing
- Detailed instructions included
- Simple installation
- Tough Stainless Steel construction for longevity, durability and control
- Choose between a 1:1 and a progressive secondary ratio
Specs
| Adjustable | Yes |
|---|---|
| Brand | Holley |
| Category | Carburetors and Components |
| Color | Zinc |
| Emission Code | 5 |
| Grade Type | Performance |
| Material | Steel |
| Model | 4150 |
| Product Type | Secondary Linkage |
| Return Springs Included | No |
| Warranty | Limited 90 Day |
| UPC | 090127605806 |
| Part Number | 20-122 |
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