Description
If you’re running a Holley 4150 carb and need precise throttle response with synchronized primary and secondary opening rates, this slip link delivers the 1:1 ratio control you’re after. Whether you’re tuning for consistency on the dyno or dialing in street performance, having matched opening rates eliminates lag and keeps fuel delivery in sync with air volume. This is a direct bolt-on solution for carb builders and experienced tuners who want mechanical precision without guesswork.
- 1:1 primary/secondary ratio
- Holley 4150 compatible
- Steel construction
- Requires drilling
- Slip link design
- Direct mechanical linkage
- Sold individually






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