EMPI 137.5 Main Jet — for EMPI 40K / Kadron / Brosol / Solex Carburetors | Porsche 914 (1970–1976) (43-5137-7)
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EMPI 137.5 Main Jet for EMPI 40K, Kadron, Brosol & Solex Carburetors (43-5137-7)
Short answer: The EMPI 43-5137-7 is a size 137.5 brass main jet for EMPI 40K, Kadron, Brosol or Solex carburetors. It meters fuel from cruise through wide-open throttle. It sits near the top of the range for the biggest street and strip builds. It fits the 1970-1976 Porsche 914 running one of those carburetors.
Part numbers: EMPI 43-5137-7 / 4351377 · UPC 707924364460
Fitment
| Years | Vehicle | Notes |
|---|---|---|
| 1970-1976 | Porsche 914 | With an EMPI 40K, Kadron, Brosol or Solex carburetor |
Specifications
| Specification | Detail |
|---|---|
| Part number | EMPI 43-5137-7 |
| Part type | Carburetor main jet |
| Size | 137.5 |
| Material | Brass |
| Carburetors | EMPI 40K, Kadron, Brosol, Solex |
| Boxed dimensions | 4 x 4 x 1 in |
| Shipping weight | 0.01 lb |
| UPC | 707924364460 |
| Manufacturer | EMPI |
Why It Matters
The 137.5 sits near the top of the range, feeding a strong, big-displacement engine all the fuel it can use at full throttle. It is the step to take when a 135 still reads lean.
Frequently Asked Questions
What size is the EMPI 43-5137-7 main jet? EMPI 43-5137-7 is a size 137.5 brass main jet for EMPI 40K, Kadron, Brosol or Solex carburetors.
Does the 137.5 main jet fit a Porsche 914? Yes. It fits the 1970-1976 Porsche 914 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.
When should I use a 137.5 main jet? Step up to the 137.5 when a 135 main jet still reads lean on a big-displacement engine.
Which carburetors take this jet? It fits EMPI 40K, Kadron, Brosol and Solex carburetors.
⚠ 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.
