7-Port Piston/Sleeve (.28 B7 Pro) by Werks Racing
This product was added to our catalog on December 28, 2009.This is a replacement Werks Racing 7-Port Piston/Sleeve, and is intended for use with the Werks B7 Pro .28 engine. This piston and sleeve set features a split transfer 7-port cylinder construction for increased low end torque with more overall horsepower.
NOTE: You will need to detach the old connecting rod and re-attach it to the new piston/sleeve during replacement. We recommend that when you replace the piston/sleeve on any engine, you also change the connecting rod and wrist pin clips.