Blank Insert for Go-Kart / QM Engine Case

The Blank Insert for Go-Kart / QM Engine Case by SCRIBNER is a precision engine component designed for builders and tuners working with small-displacement racing engines. This blank insert serves as a foundation for custom crankcase modifications, allowing technicians to fabricate specialized oil passages, breather systems, and cooling galleries tailored to specific engine configurations.

Manufactured by SCRIBNER, a trusted name in small-engine racing components, this insert is designed for use in go-kart and QM engine cases. The compact dimensions (9.15 x 1.3 x 12.1 inches) and lightweight design (1.77 lbs) ensure minimal reciprocating mass while maintaining rigidity during high-RPM operation. The blank profile allows experienced engine builders to drill, bore, and duct custom passages for enhanced oil circulation, thermal management, and crankcase ventilation.

This insert is ideal for go-kart racers, QM engine enthusiasts, and professional engine builders seeking a foundation for custom crankcase engineering. Installation requires proper fitment into the engine case, followed by machining to match your specific cooling and lubrication strategy, ensuring optimal performance and reliability.