SSP-G-QMB139,-50cc-4-stroke-performance-camshaft.--The-original-Taiwanese-1-HP-QMB139-performance-cam.--Accept-no-substitutes.-Please-see-our-Warranty-&-Returns-Policy.--Number-of-Teeth:-34--Intake-Lobe-(widest-point):-25.7mm--Exhaust-Lobe-(widest-point):-25.6mm--Uses-16002/P6-bearingsMade-in-Taiwan