Serious Honda gearheads, listen up! This is a genuine Honda input mainshaft, part number 23210-PNS-020, used in the manual transmissions of the Civic Si and Acura RSX Type-S. Made in Japan, it's the real OEM part, brand new in its original packaging. If you're rebuilding a transmission, fixing a grind, or just need a replacement shaft, this is exactly what you need. Don't mess around with cheap aftermarket gears that might not fit or last. This Honda part ensures perfect alignment and durability. Whether you're a professional mechanic or a dedicated DIYer with the right tools, this mainshaft is a key component for getting your performance Honda back on the road. Keep your shifts smooth and your drivetrain strong. Order this genuine mainshaft and tackle that transmission rebuild with confidence!
