MSD Rev Limiter Harness - Connector Plugs 24232610 4 AN Male to 12

4 AN Male to 12 mm x 1

Sounds like dirt may have gotten in the relief valve

CVR Throttle Brackets

etc recommend using a lubricant with 0W-40 viscosity grade and at least API SM for most of their sporty vehicles like for example the NISSAN GT-R

Ford / Mazda

MSD Rev Limiter Harness - Connector Plugs 24232610 4 AN Male to 12Product Description: Rev Limiter Harness Pigtail Connector Plugs Sold Individually Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent components and technology that deliver performance and reliability with