.140in Bypass Pill Main Jet

The .140in Bypass Pill Main Jet from Enderle is a precision fuel metering component designed for high-performance carburetor tuning and engine modifications. This bypass pill is essential for serious drag racing, street performance, and competition engine builds where precise fuel atomization and mixture control are critical. It is engineered to meet the demands of professional tuners and engine builders.

Constructed with Enderle's reputation for precision manufacturing, the .140in diameter bypass pill main jet effectively controls fuel flow through the carburetor's main circuit. This directly influences engine performance, throttle response, and power delivery across the RPM band. The calibrated orifice size is suitable for moderate fuel demand applications, ensuring optimal performance without excessive fuel enrichment.

Engine builders and fuel system specialists rely on Enderle main jets to address lean-out conditions and achieve the desired air-fuel ratio for their specific engine combinations. This main jet is particularly beneficial for those fine-tuning carbureted big-blocks or optimizing supercharged platforms. With its durability against wear and fuel varnish buildup, it ensures consistent metering throughout the life of the fuel system.