VORIPO Carburetor Rebuild Kit for Holley 4160 600–850 CFM Vacuum Secondary — Complete needles, diaphragms & gaskets

VORIPO's Carburetor Rebuild Kit is a complete vacuum-secondary rebuild set engineered to restore performance and reliability to Holley 4160-series 600–850 CFM carburetors.

This kit gathers the common wear items needed to service vacuum-secondary Holley 4160-style carburetors and compatible aftermarket models. It replaces old, hardened, or leaking components—needles, seats, gaskets, diaphragms and related seals—using durable materials selected for street and performance use. The parts list covers high-flow needle and seats, power valve, accelerator pump components, and a full complement of gaskets and seals so you can rebuild the carburetor without hunting multiple individual pieces.

How does this rebuild kit restore my carburetor's function?

Replacing aged internal parts corrects common failure points—fuel leaks, poor throttle response and inconsistent idle. New needles and seats improve fuel metering; fresh diaphragms and check valves return proper accelerator pump action; gaskets stop air and fuel leaks. Together these repairs help the carburetor operate closer to factory specification.

• High-flow 110" needle and seats for improved metering accuracy
• 30CC accelerator pump diaphragm, check valve, and brass seat for reliable throttle response
• 6.5 power valve to maintain correct enrichment under load
• Non-stick bowl and metering gaskets to prevent leaks and simplify installation

Will this kit fit my Holley 4160 or similar carburetor?

The VORIPO kit is made for Holley 4160 vacuum-secondary carburetors in the 600–850 CFM range and several Quick Fuel/3-200 and Speed/Road Demon variants. It lists specific Holley and aftermarket part numbers it replaces—always confirm your carburetor's model and part numbers before ordering. Compatibility covers many common 4160 applications so it suits a wide range of rebuild projects.

• Fits Holley 4160-series 600, 650, 670, 750, 770, 800+ CFM vacuum-secondary models
• Works with Quick Fuel 4150/3-200 and Road/Speed Demon vacuum secondary types
• Replaces OEM numbers such as 37-119, 37-720, 37-754 and kit numbers like 159064
• Check your carburetor's stamped or listed part number to confirm fit

Which parts are included and how do they improve reliability?

This rebuild pack groups both metering and sealing components so you can address the most common failure items in one go. New sealing surfaces and crush washers prevent leaks at the fuel inlets and bowls; internal pump and power valve parts restore consistent fueling across throttle ranges. The inclusion of transfer tube seals and multiple gaskets reduces the chance of vacuum leaks after reassembly.

• Fuel metering: high-flow needle & seats and transfer tube seals
• Fuel delivery: 30CC pump diaphragm plus brass pump check valve and diaphragm
• Enrichment control: 6.5 power valve for proper load response
• Sealing kit: non-stick bowl/metering gaskets, open base gasket, choke gasket, crush washers

Who this is for: This kit is designed for mechanics, restoration enthusiasts, and performance DIYers working on Holley 4160 vacuum-secondary carburetors or compatible Quick Fuel/Demon models. If your engine shows signs of fuel leakage, sluggish throttle response, bogging on acceleration, or general carburetor age, this comprehensive set supplies the common replacement parts needed for a thorough rebuild. Always verify part numbers and your carburetor model before purchase; VORIPO also encourages contacting support with fitment questions if you are unsure.