OBR power stack is compatible with most aftermarket clamp on air filters. This is a bolt on performance item that will improve power on any engine that's stock or fully modified. OBR spent several months developing this stack on their in-house flow bench and dyno. They saw more power out of this design than any other stack that we have tested. Dyno graph can be found in the images. Tapered bore increases velocity through the intake tract and gives better…
Chung Yang high performance 34mm big bore piston kit. Piston has proper cam and taper for better fit in bore at operating temperatures, resulting in longer life and better ring seal. Improved skirt cut out for increased transfer port flow. Ring is made from nodular iron for durability and longevity. Kit includes piston, 1.0mm ring, 25mm piston pin, pin bearing, 2 pin washers and C-clips for easier installation.
Stock part on the CY26RC and F270
HPI Part# 15487.
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This is a replacement piston kit for the CY F270 4-bolt engine as well as the 2 bolt and 4-bolt water cooled engines .Kit comes as pictured, including piston, piston ring (1mm), c-clips, bearing, pin washers, and piston pin.
This piston is a slightly different design than the one used in the CY 2-bolt motors, with different shaping at the bottom
Will fit HPI Baja 5B SS & 5T, SC
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Engine 30.5 cc 4 Bolt +2 Stuffer Crank Big Block(Latest Zenoah styled Engine )
3.5 HP Engine by Rovan for Predator RC
Complete with High performance 997 Walbro Carby, NGK Spark, Plug 8000 RPM Clutch
Will fit Predator RC ,Buggy and Desert Truck Models, HPI Baja 5B SS, 5T & Models most other 1/5 Scale Petrol…