EMPI 150 Main Jet for 40K/Kadron/Brosol/Solex Carburetors — 1.50mm metering orifice | Porsche 914 (1970-1976) (43-5150-7)
Couldn't load pickup availability
EMPI 150 Main Jet for EMPI 40K, Kadron, Brosol & Solex Carburetors (43-5150-7)
Short answer: The EMPI 43-5150-7 is a size 150 brass main jet (1.50mm orifice) for EMPI 40K, Kadron, Brosol or Solex carburetors. It meters fuel from cruise through wide-open throttle. It is a popular mid-range size for mild street builds. It fits the 1970-1976 Porsche 914 and air-cooled VW Type 1 and Type 4 engines running one of those carburetors.
Part numbers: EMPI 43-5150-7 / 4351507 · UPC 707924364491
Fitment
| Years | Vehicle | Notes |
|---|---|---|
| 1970-1976 | Porsche 914 | With an EMPI 40K, Kadron, Brosol or Solex carburetor |
| Not listed | Air-cooled VW Type 1 and Type 4 engines | With an EMPI 40K, Kadron, Brosol or Solex carburetor |
Specifications
| Specification | Detail |
|---|---|
| Part number | EMPI 43-5150-7 |
| Part type | Carburetor main jet |
| Size | 150 (1.50mm calibrated orifice) |
| Material | Brass |
| Carburetors | EMPI 40K, Kadron, Brosol, Solex |
| Boxed dimensions | 2 x 1 x 1 in |
| Shipping weight | 0.01 lb |
| UPC | 707924364491 |
| Manufacturer | EMPI |
Why It Matters
Most mild Kadron and Solex builds settle at the 150, the point where the wide-open circuit finally has enough to give. It is the common baseline you jet up to when a 140 or 145 leans out under load.
Installation Notes
- Threaded brass jet that swaps with a flat screwdriver.
Frequently Asked Questions
What size is the EMPI 43-5150-7 main jet? EMPI 43-5150-7 is a size 150 brass main jet (1.50mm orifice) for EMPI 40K, Kadron, Brosol or Solex carburetors.
Does the 150 main jet fit a Porsche 914? Yes. It fits the 1970-1976 Porsche 914 and air-cooled VW Type 1 and Type 4 engines when running an EMPI 40K, Kadron, Brosol or Solex carburetor.
What does the main jet do on a Kadron or Solex carburetor? The main jet is the brass metering jet that sets how much fuel the carburetor delivers from cruise through wide-open throttle.
Which main jet size should I start with on a Kadron or Solex? The 150 is a common baseline on mild Kadron and Solex builds. If a 140 or 145 leans out under load, the 150 is the usual next step up.
Does it fit air-cooled VW engines? Yes. It threads into EMPI 40K, Kadron, Brosol or Solex carburetors used on air-cooled Type 1 and Type 4 engines, including the 1970-1976 Porsche 914.
⚠ California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
