PKT Pinned Comer Jet Set Jet Holder Centrifugal dry clutch group with

Centrifugal dry clutch group with Z11 detachable sprocket

while the OTK line of karts specifically requires a 10mm ID

Bore and stroke 48

Key spacing fits all 2 cycle karts

Based on the S16 models

PKT Pinned Comer Jet Set Jet Holder Centrifugal dry clutch group withFits the following engines: C 50, C 51 & C 52 The PKT Pinned Comer Jet Set is an accurate set of jets to make sure you get the best performance. Each jet is carefully pinned by super accurate gauge pins to determine the true size. This processes ensures the jet sizes are exact and eliminates any variability in size from manufacturing. Includes jet sizes: . 0240" . 0245" . 0250" . 0255"