We are Proud to Finally Introduce The Tall Pines Racing Mainshaft Holder and Base Tool. Our Complete Unit includes the necessary tools and replaces OEM Honda Part Numbers 07GAJ-PG20110 and 07GAJ-PG20130. Engineered and Manufactured in the USA from 6061 Billet Aluminum.
This is a Critical Tool to have for any DIY Hobbyist, Enthusiast, or Professional Transmission Builder. Using this tool in conjunction with your own clamping or magnetic dial indicator will yield the ability to pull an accurate Mainshaft thrust clearance i.e (How much movement the Mainshaft has in thousandths of an inch 0.001+) Helping you determine the Correct Mainshaft Shim you need.
Parts like Transmission Cases, Bearings, Hubs, Distance Collars can vary by 0.002"/0.05 mm Per Honda Spec, In many Instances when doing in depth rebuilds the Mainshaft Clearance Needs to be Checked, and if need be Corrected using the proper shim thickness.
Honda/Acura Spec Mainshaft Thrust Clearance: 0.004"-0.007"
If you've recently rebuilt your transmission and experienced tightness/looseness or even catastrophic failure, improper Mainshaft thrust clearance could be a likely culprit. Don't "just send it", this is an affordable way to sleep sound at night knowing your hard earned investment and work won't be going down the drain.