GYUTONG

GYUTONG's 20-12 Accelerator Pump Cam kit is a set of eight precisely shaped cams that let you tune accelerator pump volume and timing on Holley 2300, 4150 and 4160 carburetors to reduce off-idle hesitation and sharpen throttle response. When you change cam profiles, add...

GYUTONG 485 Radiator Petcock Socket Set is a two-piece drain tool that removes and installs both metal and narrow‑wing plastic radiator petcocks without damage. This compact kit pairs a steel universal 1/4" drive socket with a molded plastic socket built for narrow‑wing plastic drain...