HOL-20-122 Pro Series Secondary Linkage
Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.
Features
- Compact design won’t interfere with throttle linkage
- Choose between a 1:1 and a progressive secondary ratio
- Tough Stainless Steel construction for longevity, durability and control
- Simple installation
- Detailed instructions included
- Perfect for circle track and drag racing
- Includes all necessary hardware
Product Video – YouTube
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.
Featuring Stainless Steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondaries on
Attributes:
| Adjustable | Yes |
| Brand | Holley |
| Category | Air and Fuel Delivery |
| Color | Zinc |
| Emission Code | 5 |
| Grade Type | Performance |
| Material | Steel |
| Model | 4150 |
| part type | Carburetor Accelerator Linkage Kit |
| Product Type | Secondary Linkage |
| Return Springs Included | No |
| Sub Category | Carburetion |
| Warranty | Manufacturer’s Limited 90 Day Warranty |
| Weight | 0.023 kg |
|---|
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