TB V2 Race Head Kit – YX125 & YX140 TBparts V2 Race Head Kit. TBparts V2 cylinder head’s larger stainless steel (21-4N) valves, better porting, roller cam, and forged aluminum roller rocker arms that allow the engine to rev quicker, farther, and make much more power than other race heads. This cylinder head adds a professional level of performance at an affordable price for the privateer rider. These are high quality, bolt on parts! There are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend having a professional technician install this kit or, at a minimum, purchasing the shop manual. Key Features: Race Head V2 – Aluminum roller rockers, 28.5mm intake valve, 23.5mm exhaust valve, 26mm intake port, 23mm exhaust port, covers and hardware included (valve, seals, and springs installed). Race Camshaft 57mm Top End Gasket Kit We stock all the replacement parts for this kit, no ridiculous wait times or prices for these High Performance spares. Installation Note: V2 head notes https://www.tbparts.com/wp-content/uploads/2022/03/V2-Cylinder-Head-Notes-Honda-PDF.pdf Note: This kit is not complete or ready to bolt on. You will need the proper piston, cylinder and cam gear for your engine. TBparts.com is the only distributor of our products and the parts are shipped directly from the manufacturing facility to us. When a product is purchased from us, it has not gone through several middlemen and thus, the savings goes to the consumer. Additionally, to keep prices down, we use basic packaging and installation instructions are not included. The end result is affordable and high quality performance parts that will add some power and excitement to your bike!
